How did Dr. Steen Willadsen clone mammals?
A) He took an embryo and split it to produce identical twins.
B) He transplanted the nuclei of adult cells into donor egg cells.
C) He transplanted the nuclei of embryos into donor egg cells.
D) He transplanted the nuclei of adult cells into the cells of an embryo.

Answers

Answer 1

Answer:

B

Explanation:

The adult is fully developed so the genetics could pass on


Related Questions

Can someone help? I don’t understand this at all.

Answers

Answer:

1. Ff and Ff and I thinks it's 75%

I think genotypic ratio is 3:4

2. Pp and pp and I think it's 50%

I think genotypic is 2:4

Explanation:

Haven't done this since 7th so I hope it helps

I don't understand the phenotypic ratio though sorry

Which of the following plant structures allows plants to take in the carbon used in photosynthesis?
Which of the following plant structures allows plants to take in the carbon used in photosynthesis?
roots
vascular bundles or veins
stomata
cuticle
chloroplasts

Answers

Answer:

Stomata

Explanation:

Photosynthesis is a unique phenomenon in certain organisms like plants. It is the process whereby they produce their food, in form of an organic compound called GLUCOSE. To synthesize this sugar, plants need a carbon source.

Plants utilize carbon dioxide (CO2), which is an inorganic carbon compound as CARBON SOURCE to synthesize glucose molecule in the process of photosynthesis. This carbon dioxide (carbon) is taken in by the plants via their STOMATA, which is a pore or opening present on their leaves.

The STOMATA opens and closes in order for gaseous exchange to occur i.e. take in CO2 (carbon dioxide), expel O2 (oxygen).

Answer:

stomata

Explanation:

edge for intro to Ag

A single-celled zygote develops into a multicellular organism with specialized cells through the processes of

Answers

Answer:

mitosis

Explanation:

The zygote undergoes a process known as mitosis, in which it replicates its chromosomes (which carry each parent's DNA) and then divides, resulting in two identical cells. These cells are called totipotent and have the ability to develop into a new organism

What is the difference between an independent variable and a dependent variable? How are these different from constants?

Answers

The variables in a study of a cause-and-effect relationship are called the independent and dependent variables. The independent variable is the cause. Its value is independent of other variables in your study. The dependent variable is the effect.

How is a scientific law different from a scientific theory?

A.
A theory cannot be disproved but a law can be disproved.
B.
A theory becomes a law after a long period of time has passed.
C.
A theory is why something happens and a law is how something happens.
D.
A theory is used for biology and chemistry and a law is used for physics.

Answers

the correct answer is c

i need help with this, it's not really coming to my head and its getting annoying

Answers

Answer:

looks really hard

Explanation:

Answer:

Things that are found only in bacteria cells are : circular DNA of the nucleoid, the cell wall of peptidoglycan, and flagella.

Things that are found only in animal cells are: centrosome and lysosomes.

Things that are found only in plant cells are: large vacuoles, cell wall, chloroplasts and specialized plastids.

Identify the parts of the digestive system. Select all that apply. * 5 points stomach esophagus large intestine lungs

Answers

Answer:

stomach large entestint

Explanation:

_ observations include descriptions of sights, sounds, smells, and texture ( use senses)


A. Solution

B. Problem

C. Qualitative

D. Quantitative

Answers

C. Yeah I think that’s the answer don’t take my word for it tho. Just try your best...

How does sugar affect people

Answers

Answer:

The effects of added sugar intake: higher blood pressure, inflammation, weight gain, diabetes, and fatty liver disease... are all linked to an increased risk for heart attack and stroke.

Explanation: Hope this helps <3

Alma is walking in a park

Answers

Answer:

i like walking in a park

Explanation:

Same I like to walk in the park

In a murder trial, which person testifying to the jury is classified as an eyewitness?

The medical examiner who found poison in the victim's stomach
An expert discussing evidence collected during an investigation
A defendant's best friend, who was out of town when the crime was committed
A person who claimed to see a car of a certain make/model leaving the scene of a crime

Answers

Answer:

A person who claimed to see a car  of a certain make/model leaving the scene of a crime.

Explanation:

Key words to the answer:

"See"

"leaving the scene of a crime."

Eyewitnesses have a firsthand glimpse of events that occurred and they usually have to have seen something that has occurred to be considered a eyewitness, in this case the person who saw the Make/Model of the car that left the crime scene has some claims that can be used to find the criminal and also when the eye witness sees the car they can  tell which direction it went in to give a bit of a clue(although this depends in certain situations). The eye witness  can also be anyone who was anywhere near the crime scene when it happened or even a little bit after it happened.

Answer:

D. A person who claimed to see a car of a certain make/model leaving the scene of a crime

Explanation:

It is D because it would be the closest possible lead for finding who did the crime. Anyone around the time of the murder and anyone going in and out at the time is a suspect, even the eyewitness. If the eyewitness saw someone leaving the location moments before it was reported, that would be suspicious.

(lol among us vibes. it hyped me up for this moment.)

The medical examiner who found poison in the victim's stomach

It would not be this one because they were called after the crime took place, the medical examiner only saw the aftermath of said way to k!ll the person.

An expert discussing evidence collected during an investigation

The expert collected data of the crime scene after it had happened. Otherwise, this would not have been possible. So, they were not an eyewitness since they were not present at the time.

A defendant's best friend, who was out of town when the crime was committed

How would the addressed person out of town see the crime scene? Maybe they were threatened to leave the city? Anyway, it just would not make since for the best friend to be an eyewitness at the time of the crime if they were miles away.

In a partially diploid F′ exconjugant, there are two alleles for lac (1 and 2) and two alleles for his (3 and 4). The phenotype of this cell is identical to a lac 1 his 4 cell. What is the best interpretation?

Answers

Answer:

Explanation:

Lac 1 and his 4 that shows identical phenotype are wild types.

Wild types are the native, the original species or individual of a particular habitat or colony.

Since lac 1 and his 4 are the wild type, lac 2 and his 3 shares the phenotype of Lac 1 and his 4 this because a cross with a wild type will give an individual with a blend of the two gene with phenotype as the wild because they have a dominant gene.

Lac 1 will shows its phenotype when his 4 is also present this is because a cross between the two will give an individual that is phenotypically identical with the parents

Lac 1 and his 4 are dominant.

Farmers can store food for when it is difficult to grow. True or false?

Answers

Answer:

True

Explanation:

Because my uncle was a farmer.

Answer:

ture

Explanation:

i think hope it is right

A series of two-point crosses, involving 7 genes (a-g), were carried out, and the following recombination frequencies were obtained. Place the seven genes into linkage groups (where a linkage group is any group of genes that are genetically linked to each other). Within each linkage group, determine the order of genes and the distances between them.
Genes % recombination Genes % recombination
a-b 50 c-d 50
a-c 50 c-e 26
a-d 12 c-f 50
a-e 50 c-g 50
a-f 50 d-e 50
a-g 4 d-f 50
b-c 10 d-g 8
b-d 50 e-f 50
b-e 18 e-g 50
b-f 50 f-g 50
b-g 50

Answers

Answer:

Explanation:

Genes with recombination frequencies(RF) of 50 assort independently and are not genetically links together but gene that have less than 50 RF are genetically linked.

The Linked genes included

a-d 12 c-e 26

a-g 4 d-g 8

b-c 10

b-e 18

Starting the order from the most tightly linked to the least

a-g 4, genetic distance is 4cM

d-g 8 genetic distance is 8cM

b-c 10 genetic distance is 10cM

a-d 12 genetic distance is 12cM

b-e 18 genetic distance is 18cM

c-e 26 genetic distance is 26cM

What disease has been cured due to gene therapy?
A. Hemophilia
B. Cystic fibrosis
C. Tay-sachs
D. Severe combined immune deficiency

Answers

I think it’s A.Hemophilia I’m not that sure your should try it

Answer:

Its severe combined immune deficiency

Explanation:

when you search it up SCID is the only disease so far that had been cured due to gene therapy

Hi, how are you? I hope you are well. Can you answer this question? What does it mean to say that a rock is porous?

The rock has many holes.
The rock has few holes.
The rock has tiny holes.
The rock has big holes.
Water can easily flow through the rock.
Water cannot easily flow through the rock.

Answers

not sure if it is multiple choice but

the answer if it is not multiple choice is i believe the rock has many holes

if it is multiple choice u should also select water can easily flow through the rock

not sure if i am right

What is cancer? Explain what a doctor means when he or she says the cancer has “metastasized.” (Provide examples)

Answers

Answer:

A disease that causes cells to grow too rapidly

Explanation:

The cancer has spread to another part of the body where there originally wasn't any cancer. Ex: If someone was diagnosed with thyroid cancer and then later they're told the cancer has spread to their lungs

Cancer  is characterized by abnormal cell growth when a cell does not divide naturally, it is said to have metastasized, which means that the cancer has spread from one part of the body to another.

What is the significance of the cancer?

It is a type of condition where the person's normal cell growth is hampered, and it has a significant impact on an individual, leading to a wide range of symptoms such as pain and fatigue and increasing mental health issues and an example of metastasis is the brain cancer can move to the lungs and other parts. Due to the significant advancements in the diagnosis and treatment of cancer, an earlier stage can be detected and the later stage can be somewhat cured.

Hence, cancer is characterized by abnormal cell growth when a cell does not divide naturally, it is said to have metastasized, which means that the cancer has spread from one part of the body to another.

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Female killer whales stop reproducing in their ____. 50s-60s, 60s-70s, 40s-50s, 30s-40s

Answers

Answer:

20

Explanation:

because fasting is missing

Answer:

30s and 40s

Explanation:

it is the right answer i learned that

Sea Lampreys, a jawless fish that feeds on other aquatic
animals, is considered a pest in the Great Lakes of
Michigan, An ecologist wanted to determine the
percentage of the Lake Trout population was affected by
the lamprey He captured and released hundreds of Lake
Trout making note which ones were being fed upon by the
Lamprey. The ecologist conducted this study over a 6
month period and determined that over half of the Lake
Trout population were affected by the Sea Lampreys.
What is the best Problem for this experiment?
w
Why are Sea Lampreys a problem in the Great Lakes?
What types of fish de the Sea Lampreys feed upon?
How are the Sea Lampreys getting into the Great Lakes?
What percentage of the Lake Trout are affected by the Sea Lamprey?

here it is for the person who commented on mine

Answers

Your answer would be Why are Sea Lampreys a problem in the Great Lakes?

In the text, it explains the answer for this question. For the other three questions, it's asking for a factor of the paragraph rather than the whole thing. The whole paragraph explains the answers for all of the questions, so it's best to ask why are they causing problems.

Order the following from largest to smallest:

chromosome
nucleus
nucleotide
DNA-histone complex
gene
cell double-helix

Answers

Explanation:

cell double-helix

gene

DNA-histone complex

nucleus

nucleotide

chromosome

In conservation plowing, why are dead weeds and stalks of the previous year's crop left in the ground?
a. to keep the soil from becoming too fertile
b. to reduce the amount of seed needed for the next year's crop
C. to retain moisture and hold the soil in place
d. to keep more organisms out of the soil

Answers

Answer:

to retain moisture and hold the soil in place.

Explanation:

this technology of putting dead plants on the soil under the plants and the area nearing the plants is called mulching.it is helpful in reducing the rate of evaporation and also reduces soil erosion.

Conservation plowing is achieved to minimise soil erosion. Thus, option C is correct.

What is soil erosion?

Soil erosion is the deterioration of the topmost layer of soil. The top fertile layer of the soil withers leaving the soil infertile.

It is a gradual naturally occurring phenomenon but can be accelerated with human interventions.

There are many factors responsible for soil erosion:

• Deforestation

• Excessive grazing

• Mining

• Construction work

• Drought and floods

Soil erosion negatively affects the crop yield and also clogs the water bodies. This is therefore harmful for the aquatic species. Dry and barren soil is more prone to floods.

Soil erosion should be minimized as it produces a negative impact on the ecosystem.

Soil erosion can be prevented by planting more number of trees. The roots of the trees help in holding the soil in its place.

Therefore, soil erosion should be checked to preserve the soil fertility.

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What Describes the layer directly beneath Earths plates

Answers

Answer:

The layer below the rigid lithosphere is a zone of asphalt-like consistancy called the Asthenosphere . The asthenosphere is the part of the mantle that flows and moves the plates of the Earth. The mantle is the layer located directly under the sima. ... The mantle is composed of very hot, dense rock.

Explanation:

Answer: This layer would be called the asthenosphere.

When the cell divides from from 1 to 2 and 2
to 4 and 4 to 8 and so on, what process is
this?

Answers

The process you asked about in your question is called Cell Division

Answer:

Mitosis.

Explanation:

                     

WILL GIVE BRAINLIEST

Consider the following discussion between two students about the cause of the seasons.

Student 1: I know that it's hotter in the summer and colder in the winter, so we must be
closer to the Sun in the summer than in the winter

Student 2: I disagree. Although the distance between Earth and the Sun does change
throughout the year, I don't believe that the seasons and changes in Earth's surface temperature
are caused by the distance between the Sun and Earth. If the seasons were due to the Sun-Earth
distance, then both hemispheres of Earth would have the same seasons at the same time.

Do you agree or disagree with either or both of the students? Explain your reasoning.

Answers

I disagree the reason it’s hotter during the summer is because the sun is shining on your area/hemisphere if you like near the equator you have sun shining on you 24/7, during the winter it’s cold because the sun isn’t shining on us/ your hemisphere (this works for country near the northern/ Southern Hemisphere and doesn’t work for countries near the equator that’s why Canada, northern USA, Russia, Australia and other countries get snow because they are in the northern or Southern Hemisphere

Student 2 discussion is true as distance between Earth and the Sun remain same, if the seasons changes were due to the Sun-Earth distance, then both hemispheres of Earth would have the same seasons at the same time.

What is hemisphere ?

A hemisphere refers to half of the earth surface, that is divided into northern hemisphere or the southern hemisphere, the cutting of the sphere into two equal halves with one having flat side.

Geometrically the hemisphere is a 3D shape it is half of the sphere is flat and the other side is a circular bowl and it is formed when a sphere is cut at the exact center having two equal hemispheres.

A hemisphere has a surface area which is curved,  no edges and no vertices, not a polyhedron, but it has one circular base and one curved surface.

The diameter of a hemisphere is a line type of segment that passes through the center and touches the two opposite pole ,  the radius of a hemisphere is  from the center to a point on the curved surface of the hemisphere.

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how are unicellular and multicellular organisms different

Answers

Answer:

Unicellular organism are made up of only one cell that carries out all of the functions needed by the organism, while multicellular organism use many different cells to function.

Explanation:


Where does the bloody deposit the
oxygen and nutrients?

Answers

Answer:

The heart, blood and blood vessels work together to service the cells of the body. Using the network of arteries, veins and capillaries, blood carries carbon dioxide to the lungs (for exhalation) and picks up oxygen. From the small intestine, the blood gathers food nutrients and delivers them to every cell.

Which statement best summarizes the role of households in the flow of
goods?
A. Households supply businesses with raw materials they need to
operate.
B. Households sell products created by businesses to other markets.
C. Households exchange money for products in resource markets.
D. Household expenditures flow to the product market in exchange
for products.

Answers

The statement best summarizes the role of households in the flow of goods is households exchange money for products in resource markets. Thus, option C is correct.

Who are the consumers among households?

The final consumers of the goods and services produced by the businesses are the households. According to their tastes and preferences, they create demand in the market. The businesses supplied and produced goods in response to customer demand. As a result, a nation's production line is determined by its households.

To run a business, workers are needed, and business owners, managers, and employees also have families. In return for labor, the business pays wages, which increase household income.

Therefore, A company's output may fall somewhere in the middle of these two ideas. A landscaping company, for instance, might offer a homeowner a service and sell them a tree as a product.

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Answer: House Hold expenditures flow.

Explanation: I’m doing the Quiz it 1 answer out of the 2 available examples, sorry if you get the other option it’s the best I can do.

Researchers studying a small milkweed population note that some plants produce a toxin and other plants do not. They identify the gene responsible for toxin production. The dominant allele (T) codes for an enzyme that makes the toxin, and the recessive allele (t) codes for a nonfunctional enzyme that cannot produce the toxin. Heterozygotes produce an intermediate amount of toxin. The genotypes of all individuals in the population are determined and used to determine the actual allele frequencies in the population.

Required:
Is this population in Hardy-Weinberg equilibrium? Calculate the T and t.

Answers

Complete question:

Researchers studying a small milkweed population note that some plants produce a toxin and other plants do not. They identify the gene responsible for toxin production. The dominant allele (T) codes for an enzyme that makes the toxin, and the recessive allele (t) codes for a nonfunctional enzyme that cannot produce the toxin. Heterozygotes produce an intermediate amount of toxin. The genotypes of all individuals in the population are determined (TT = 0.56; Tt = 0.28; tt = 0.16) and used to determine the actual allele frequencies in the population. Is this population in Hardy-Weinberg equilibrium? Calculate the T and t.

Answer:

No, the population is not in H-W equilibrium

Explanation:

Due to technical problems, you will find the complete explanation in the attached file

Whats an explanation for the cycling of matter and flow of energy in
anaerobic conditions>

Answers

Answer:

Energy drives the cycling of matter within and between systems in aerobic and anaerobic conditions.

Explanation:

Which surface erosion event does the most short-term damage?


Answers

Answer:

splash erosion.

Explanation:

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