Si una planta homocigótica de tallo alto (AA) se cruza con una homocigótica de tallo enano (aa), sabiendo que el tallo alto es dominante sobre el tallo enano, ¿Cómo serán los genotipos y fenotipos de la F1?

Answers

Answer 1

Answer:

Genotipo: 4/4 o 100% de la progenie será Heterocigota para la característica altura del tallo, Aa.Fenotipo: 4/4 o 100% de la progenie expresará tallos altos.

Explanation:

Datos disponibles:

Característica: Altura del talloAlelo dominante, A, expresa tallo alto en homocigosis (AA) y en heterocigosis (Aa).Alelo recesivo, a, expresa tallo enano en homocigosis (aa).

Cruza: una planta homocigótica de tallo alto con una homocigótica de tallo enano (aa)

Parentales) AA      x      aa

Fenotipos) Tallo alto     Tallo enano

Gametos) A      A        a        a

Cuadro de Punnet)     A          A

                        a       Aa          Aa

                        a       Aa          Aa

F1) Genotipo: 4/4 o 100% de la progenie será Heterocigota para la característica altura del tallo, Aa.

     Fenotipo: 4/4 o 100% de la progenie expresará tallos altos.

Nota: Por conocimiento teórico, es posible que no sea necesario el uso del cuadro de Punnet para realizar esta cruza. Esto es porque sabiendo que uno de los parentales es homocigota dominante y el otro parental homocigota recesivo, con un solo gen dialélico involucrado en la cruza, indefectiblemente la progenie será heterocigota. Un parental solo puede ofrecer gametos dominantes para la característica mientras que el otro parental solo puede ofrecer gametos recesivos. Aún asi, el cuadro de Punnet siempre resulta útil para poder visualizar bien los cruzamientos, siempre que estos últmos involucren pocos genes.


Related Questions

Which mutation results in the mutated DNA sequence having more or less,
nucleotides than the original?
Silent
Nonsense
Missense
Frameshift

Answers

Answer:

Frameshift

Explanation:

Mutations are randomly-occuring changes that occur within the genetic code, DNA  due to errors within replication. DNA molecules are long-chain, helical macromolecules that store genetic information They are made up of varying sequences of monomers called nucleotides. which form base pairs and sequences of codons in a reading frame, which gives instructions for protein formation.

Single nucleotide polymorphisms are common, and often result in no changes in amino acids, as silent mutations. Some errors add a random nucleotide (SNP) that results in a premature stop codon, called nonsense mutation. Missense mutations are SNPs that change the sequence of codons resulting in a different amino acid.

Frameshift mutations result from insertions or deletions of nucleotides not divisible by 3. This results in more or less nucleotides needed for a codon and disrupts the reading frame- this results in a different translation of proteins

EASY 7TH GRADE SCIENCE FIRST PERSON MARKED BRAINLIEST!!!!

Which information does a student need to differentiate between the speed and the velocity of a vehicle in motion

A. The rate of the motion
B. The direction of the motion
C. The change in the amount of motion
D. The amount of distance traveled during motion

Answers

Answer: The action from a force can cause an object to move or can speed up accelerate, to slow down (decelerate), to stop, or to change direction. Since any change in velocity is considered acceleration, it could be said that a force on an object results in the acceleration of a object.

Explanation:

Answer:

(B) The direction of the motion

Explanation:

The geologic species scale has units based on changes in rocks and fossils.
True
False

Answers

Well I’m not for sure but I think it’s false because the units can be Baer in animals too

The geological time scale/species scale is divided into different units of time depending on changes in the rocks and fossils. So the statement is true.

What is the geological time scale?

The lengthy period of time that the Earth's geologic history has taken up is known as geologic time. Starting at the beginning of the Archean Eon (4.0 to 2.5 billion years ago), formal geologic time runs to the present.

The Hadean Eon, an informal time period that runs from around 4.6 billion years ago (corresponding to Earth's first creation) to 4.0 billion years ago, is also frequently included in modern geologic time scales. The period of Earth's history that is reflected by and preserved in the planet's rock layers is known as geologic time.

Events throughout Earth's history are "calendared" according to the geologic time scale. It divides all of the time into named units of abstract time known as eons, eras, periods, epochs, and ages, in declining order of duration. Those geologic time units are counted according to stratigraphy, the correlation, and the categorization of rock layers.

Therefore, the geological time scale is used for dividing different units of time according to changes in rocks and fossils. Hence the statement is true.

Read more about geological scale, here

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what do u mean buy love​

Answers

Answer:

you can't "buy" love honey

Does the moon revolve clockwise (to the left) or counterclockwise (to the right)?

Answers

Answer:

The moon revolves counterclockwise just like the Earth which is why we only ever see one side of the moon

Explanation:

Answer:yes

Explanation:the moon revolve around the earth

15. What is meant by combustion?​

Answers

Answer: D.

Explanation: Please give me Brainlest Please

What important gas do we take in when we breathe

Answers

Answer:

oxygen

Explanation:

we breath in oxygen and release carbon dioxide

hope this helps :)

Traits is expressed even when two different alleles for the same traits are present.

Answers

I hope it is helpful for you ....

please help ive been stuck on this problem for hours

Answers

The last one?i think I’m not sure
The answer is b because Fluorine (F), most reactive chemical element and the lightest member of the halogen elements

PLEASE HELP QUICKLY! ANSWER AS MANY AS POSSIBLE. DO NOT ONLY SAY "I don't know"
1. How do we know the continents were ever connected (what evidence do we have)?
2. What does the map show about the Earth 225 million years ago ?
3. In what era was the Mesosaurus alive?
4. What animal do you think the Lystrosaurus is related to today and WHY?

Answers

Answer:

1. Wegener then assembled an impressive amount of evidence to show that Earth's continents were once connected in a single supercontinent. Wegener knew that fossil plants and animals such as mesosaurs, a freshwater reptile found only South America and Africa during the Permian period, could be found on many continents.

2. It shows that all continents started from a one large land mass. It might be named Pangea. Because people are close to each other, it's so easy to talk and talk about things not just about them but also about other people.

3.Mesosaurus, (genus Mesosaurus), early aquatic relative of reptiles, found as fossils from the Early Permian Period (299 million to 271 million years ago) in South Africa and South America.

4.The Lystrosaurus is a mammal-like animal from the early Triassic period that roamed modern day regions such as India, South Africa and Antarctica over 250 million years ago. It has tusks like an elephant and a beak similar to a turtle, and it was roughly the size of a pig.

Explanation:

hope that helps

Which of the following molecules are products of glycolysis? Select all that apply.
2 ADP molecules
2 NADH molecules
1 pyruvate molecule
4 ATP molecules
4 ADP molecules

Answers

2 NADH molecules is the only right answer

Glycolysis produces 2 NADH, 2 ATP, and 2 Pyruvate molecules.

Glycolysis is the process that is described as an oxidative pathway that typically breaks down the monosaccharides including galactose and glucose molecules and is further involved in the transformation of the energy released into chemical energy which can be used by cells. The products obtained from the glycolysis are:

2 ATP which is generated via substrate-level phosphorylation2 NADH as a result of reaction named redox reactions2 pyruvate molecules

Glycolysis produces 2 ATP, 2 NADH, and 2 pyruvate molecules: Glycolysis, or the aerobic catabolic breakdown of glucose, produces energy in the form of ATP, NADH, and pyruvate, which itself enters the citric acid cycle to produce more energy.

Learn more about products of glycolysis

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The measurement of how far the particles are pushed from their _______________is called amplification.
(Can somebody please help me out. I'm giving 20 points and Brainliest for the first correct answer.

limit


compression


wavelength


starting point

Answers

Answer:

i think its compression

Explanation:

...

Answer:

The anwser is the starting point hope this helps :)

Explanation:

i took the test and got it right :)

what is the diagram of 2NH3

Answers

Need picture of the diagram to answer

How does DNA in cells determine an organisms complex traits

Answers

Answer:

DNA contains codes for proteins, which are necessary for the growth and functioning of an organism. DNA separates into long single strands that make up each part of an organism. DNA produces the energy an organism needs in order to grow.

Explanation:

I WILL GIVE BRAINLY PLEASE HURRY!!
Some towns have decided to bury their garbage to get rid of it. What is one harmful effect of this practice?

Answers

Answer:

It can put harmful substances into the atmosphere and boost climate change.

Explanation:

brainliest pls

Answer:

plants and animals habitats will be ruined and or killed off by this harmful practice

What is the difference between aerobic respiration and anerobic respiration?

1.) Aerobic respiration produces ATP, and anaerobic respiration does not.
2.) Anaerobic respiration produces ATP, and aerobic respiration does not.
3.) Anaerobic respiration uses oxygen, and aerobic respiration does not.
4.) Aerobic respiration uses oxygen, and anaerobic respiration does not.

Answers

Answer:

The difference is C

Anaerobic respiration uses oxygen, and aerobic respiration does not.

Explanation:

The difference between aerobic respiration and anaerobic respiration is that aerobic respiration uses oxygen, and anaerobic respiration does not. The correct answer is option 4.

Glycolysis is the first step in cellular respiration and can take place with or without oxygen.

Anaerobic respiration is cellular respiration that takes place without oxygen. Aerobic respiration is the type of cellular respiration that takes place when there is oxygen present. Aerobic respiration developed first, then anaerobic.

During aerobic cellular respiration, glucose and oxygen combine to create ATP, which the cell can utilize. As byproducts, carbon dioxide and water are produced.

Without oxygen, organisms must manufacture ATP by anaerobic respiration, which yields just two ATP molecules for every glucose molecule. Anaerobic respiration has the advantage of producing ATP relatively quickly despite producing less of it.

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Explain at least three ways in which a mutation in an individual's DNA could occur, and describe at least 2 effects a mutation could have on an individual's traits

Answers

Answer:

Mutations can occur from the following ways:

1. Errors that occur in DNA replication during cell division

2. Exposure to high-energy electromagnetic radiation

3. Exposure to chemicals mutagens

Effects of mutation include:

1. Genetic disorders

2. Cancers

Explanation:

A mutation is a change or alteration that occurs in the DNA sequence of a cell of an organism. These mutations can be passed on to offsprings of that organism. Mutations can occur from the following ways:

1. Errors that occur in DNA replication during cell division: during the process of cell division, the DNA in cell are copied many times. Some errors result when copying DNA, most of which are corrected during proofreading. However, some changes in the DNA sequence may not be corrected, thus resulting in a mutation.

2. Exposure to high-energy electromagnetic radiation: some types of electromagnetic radiation are ionizing, such as UV rays and X-rays. Prolonged exposure to these ionizing radiation may result in permanent damage to parts of the DNA, thereby resulting in a mutation.

3. Exposure to chemicals mutagens: mutagens are substances which are able to cause mutations. Some common chemical mutagens are alkylating agents such as ethylmethane sulfonate and N-methyl-N-nitrosourea.

Effects of mutation include:

1. Genetic disorders: in genetic disorders, certain normal functioning of the body processes are impaired. For example, hemophilia whereby blood lacks the ability to clot normally resulting in excessive bleeding.

2. Cancers: cancers occur when the cell of the body differentiate and grow abnormally. Various types of cancers include breast cancer, prostrate cancer, blood cancer etc.

Can someone tell me why cell specialization is important for life on earth. Please Give some examples of why it is important as well.

Answers

Answer:

It is important because if not then life would not exist at all except maybe in single cells forms

Explanation:

The body is made of so many cells and without cell specialzation, the cells would not know what to do, they would all be the same. The liver is so different from the skin from the eyes, from the tongue, and so on. That is why we need it so our body can do what it is supposed to do.

Thatś only really one example but I hope it helps!

what is the connection between mitosis and cancer

Answers

Answer:

Checkpoints

Explanation:

Cancer is essentially a disease of mitosis - the normal 'checkpoints' regulating mitosis are ignored or overridden by the cancer cell. Cancer begins when a single cell is transformed, or converted from a normal cell to a cancer cell.

Answer:

Cancer: mitosis out of control

Mitosis is closely controlled by the genes inside every cell. Sometimes this control can go wrong. If that happens in just a single cell, it can replicate itself to make new cells that are also out of control. These are cancer cells

Can someone help me? I don’t understand this.

A) How are traits inherited in this pedigree? (the one in the image)

B) What is your evidence?

Answers

Answer:

dude bottom is right

Explanation:

What is the relationship between the depths of earthquake foci and latitude

Answers

Both are in the same latitude because the epicenter is just above the focus point.

The main characteristic of non-renewable resources is that they can never replenish themselves, or replenish themselves so slowly that,
for practical purposes, they seem non-renewable.

False
True

Answers

True I hope this helps :)

Answer:

The correct answer is False

Explanation:

because The main characteristic of non-renewable resources is that they can never replenish themselves, or replenish themselves so slowly that,

for practical purposes, they seem non-renewable. is the reason every plant replenish's slowly and I also did it on edge 2022

pls help me pls idk how to do this​

Answers

Answer:

Cycle: A repeated pattern, The sun: The orgin for the water cycle, The water cycle: The process by which water circulates between the oceans, atmosphere, and land, Evaporation: The sun heats up water and turns it into vapor, Condensation: Water vapor in the air that gets cold and turns into water, Percipitation: water that falls in the form of snow, rain or hail.

What happens to red blood cells when placed in a hypotonic solution?

Answers

Hope this helps this is what I used when I studied this

The stomach is a relatively small muscular organ compared to the small intestine that can be a long as six meters

Answers

I believe it’s the large intestine

what is the average for a human piens A 2.inc B 4inc C 10 inc D 1 feet

Answers

Answer:

I'm gonna have to go with B 4 inches

Explanation:

it is B cause I'm below average and no one is longer than 10 inches

A cell has 10% glucose outside and 2% salt inside. Describe the direction of osmosis.
1.Water will move out of the cell.
2.There will be an equal amount of water movement into and out of the cell.
3.Water will move into the cell

Answers

Answer:

1. Water will move out of the cell

- There is a higher concentration outside of the cell

What is natural breeding?

Answers

Answer:

Natural breeding refers to the random mating that occurs between two individuals of the same species. Conversely, selective breeding has been performed for centuries by humans hoping to produce offspring with desirable traits.

Identify the type of mutation that occurred and explain in what way it affected the protien

Answers

Answer:

The type of mutation that occurs when in the DNA strand there is a change from guanine to cytosine is a nonsense mutation, since the triplet that should encode the amino acid encodes a stop codon and the protein cannot be completely synthesized.

Explanation:

The nonsense mutation consists of a change in one of the bases of the stranded DNA, which is transcribed into an altered mRNA, producing a stop codon, instead of an amino acid.

In the table it is observed that the CCA codon is a stop codon that cuts off the protein synthesis prematurely, leaving it incomplete and probably non-functional.

Sometimes this type of mutation can alter the sequence of amino acids but the protein may be complete enough to partially fulfill its function.

Which example has the most kinetic energy a football resting on a kicking tee a hurt football player sitting on the bench a football flying through a goal post a penalty flag on the ground

Answers

Answer:

The football flying through the goal

Explanation:

Kinetic energy is basiaclly moving energy. Since only the football going through the goal is moving, that's the one with the most kinetic energy.  

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