Albinoism is an autosomal recessive trait. What is the probability of two
heterozygous parents having a heterozygous offspring? What is the genotypic
and phenotypic ratio from this cross? What type of cross is this?

Answers

Answer 1

Answer:

1. Probability is 50% or 1/2

2. a) Genotypic ratio= 1 AA: 2Aa : 1aa

   b) Phenotypic ratio = 3 normal pigment : 1 albino

3. Monohybrid cross

Explanation:

This question involves a single gene coding for pigment in humans. The allele for normal pigmentation (A) is dominant over the allele for albinism (a).  

According to this question, if two heterozygous parents (Aa) are crossed i.e. Aa × Aa. The following proportion of offsprings will be produced:

AA, Aa, Aa, and aa

- Hence, the probability of having a heterozygous offspring is 2/4 or 1/2 or 50%

- Genotypic ratio= 1 AA: 2Aa : 1aa

  Phenotypic ratio = 3 normal pigment : 1 albino

c. This type of cross is called MONOHYBRID CROSS because it involves a single gene

Albinoism Is An Autosomal Recessive Trait. What Is The Probability Of Twoheterozygous Parents Having

Related Questions

What molecule is removed during dehydration synthesis? *
a. Water
b. Carbon dioxide
c. Sugar
d. Carbon

Answers

The answer would be A.

During dehydration synthesis, water molecule gets removed. The correct option is a.

What is dehydration?

A dehydration reaction in chemistry is a chemical process in which the reacting molecule or ion loses water. The opposite of a hydration reaction, dehydration reactions are frequent processes.

"Chemical processes known as dehydration reactions are those in which a water molecule is removed from the reactant molecule. Dehydration synthesis is the process of combining two compounds while removing water molecules.

These kinds of reactions can assemble and disassemble nucleic acids, proteins, and carbohydrates, however the monomers in each case vary.

Many polymers are made by dehydration processes as well. Another illustration is the transformation of alcohols into ethers.

Thus, the correct option is a.

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What waves transmit energy of cells phones and TV?
Gamma rays
UV rays
Microwaves

Answers

Answer:

microwaves

Explanation:

Answer:

What waves transmit energy of cells phones and TV?

X rays and gamma rays

Which statement about green plants is true?
a. Most green plants do not need food.
b. Most green plants take in food though their roots.
c. Most green plants take in food through their leaves.

Answers

Answer:

answer is C and also DO NOT COPY OR PRESS THE LINK THE OTHER PERSON SENDED YOU ITS A HACK THEY WILL GET YOUR IP IF YOU PRESS THE LINK

Explanation:

When an animal moves, which energy transformation takes place?
A. food energy → moving energy
B.chemical energy → solar energy
C. chemical energy → potential energy
D.chemical energy mechanical energy ​

Answers

Explanation:

option D is the correct answer ..

hope this will be helpful to you .

plz mark my answer as brainlist if you find it useful

What is the genotype of person #1

Answers

Answer:

A

Explanation:

it is because it is in the first set

Diffusion is the movement of a substance from a Concentration to a concentration until the particles are

Answers

Answer:

from a high .... to a low .... equal/same conc. / same conc. gradient

Explanation:

Please help me I’ll mark as brainliest.

Answers

Answer:

C or D. Success. Good bye.

Question 9. Brainliest involved

Answers

50 per cent if wrong sorry

How do you know if undesirable molds are present in an area?

Answers

Answer:

When somewhere covered in mold you may not even see it, but a good way to know its there is the smell, or the quality of the air. If the air feels musky and gross there could be some mold somewhere.

The air quality is the biggest way to determine whether or not there are mold present. If the air quality is musty, or smells odd then some type of molds are probably present

Why can’t most pathogens infect your skin?
A. skin is too thick
B. skin has antigens
C. skin has immunity
D. skin has layers of dead cells

Answers

The answer should be D because the skin. Has layers correct but there really thick and it makes bacteria and infections hard to pass through but at the same time we have already dead skin cells on us that either block out or destroy others layers that can’t infect the skin

Condensation in the water cycle can best be described as the result of water vapor


rising into the atmosphere, cooling and changing into a liquid form.

rising into the atmosphere, cooling and changing into a liquid form.

rising into the atmosphere, warming and changing into a gaseous form.

rising into the atmosphere, warming and changing into a gaseous form.

changing from a liquid form into a solid and forming snow.

changing from a liquid form into a solid and forming snow.

changing from a gas form into a solid and forming hail.

changing from a gas form into a solid and forming hail.

Answers

Answer:

rising into the atmosphere, cooling and changing into a liquid form.

Scientific theories can change when new evidence is discovered and is supported and accepted widely. Which statement can possibly create a change in the cell theory?
a. A scientist discovers a new living organism with different cells.
b. A scientist discovers a new living organism with cells but no tissues.
c. A scientist discovers a new living organism that has no cells.
d. A scientist discovers a new living organism that has cells that work separately.

Answers

Answer:

c. A scientist discovers a new living organism that has no cells.

Explanation:

The cell theory is a widely accepted and globally recognized theory of living things. It was proposed in the 1830's by the collective effort of three scientists namely: Mathias Schleiden, Theodor Schwann and Rudolph Virchow. The cell theory is made up of three components as follows:

- All living things are made up of one or more cells.

- The cell is the basic and fundamental unit of life.

- All living cells comes from pre-existing cells.

According to this question, a new evidence that can possibly create a change in the cell theory is if a SCIENTIST DISCOVERS A NEW LIVING ORGANISM THAT HAS NO CELLS because all living organisms have been said to be made up of cells in the cell theory.

Transpiration is the evaporation of water from the surface of a plant. Explain.

Answers

Answer:

Transpiration is the loss of water from a plant in the form of water vapor. Water is absorbed by roots from the soil and transported as a liquid to the leaves via xylem. In the leaves, small pores allow water to escape as a vapor. Of all the water absorbed by plants, less than 5% remains in the plant for growth.

4. Which evidence did Darwin NOT use to support his theory of evolution?
a. Observations of fossils
b. Finches on different islands had different types of beaks
c. Young finches that acquired desirable traits as they aged
d. Observations of different species with varying traits

Answers

Answer:

The answer, I believe, is a.

Explanation:

Observations of fossils came later I believe. :)

What change led to an increase in the number of light-colored moths within the population?

More mutations
Decreased pollution
More dark colored trees
fewer humans

Answers

Answer:

decreased pollution

Explanation:

The article

biology vocab pls help

Answers

1. Healthy
2. Space
3. Recourses
4. Lower
5. Food supply
6. Increase
7. Emigration

caus
12. The Irish potato famine was caused by a
c. water mold.
d. bacterium.
a. potato virus.
h colonial alga.

Answers

Answer:

c

Explanation:

was caused by water mold

The body contains __________ types of muscle cells.

Answers

Answer:

3 types of muscle cells

Explanation:

cardiac, skeletal, and smooth.

3. The cell below is currently in Metaphase I. Draw the four resulting cells after the original cellgoes through Meiosis. Write down the genotype above each of the new cells. (ignore

crossing over).

Answers

You will find the cell in metaphase and the draw of the gametes in the attached files

Answer:

Gametes: RY, RX, rY, rX

Explanation:

During metaphase I, homologous pairs migrate to the equatorial plane, where they randomly aline with their kinetochores facing opposite poles. The random arrangement of tetrads is different in every cell going through the meiosis process. There is no equal alinement between two cells. When tetrads aline in the equatorial plane, there is no predetermined order for each of the homologous chromosomes of each tetrad to face one of the poles and then migrate to it while separating. Any chromosome of the homologous pair might face any of the poles and then migrate to it. Each of the chromosomes has two possibilities for orientation at the plane.

During metaphase II, when the new haploid cells are formed, the number of variations in each cell is also different and depends on the chromosomes that form that cell. This random order in the equatorial plane is what introduces variation into the gametes. It is almost impossible that two gametes resulting from meiosis will get the same genetic charge.

Diploid cell)  RrXY

Gametes)   RY, rY, RX, rX

The alleles of each of the genes randomly migrate to different poles and combine with the allele of the other gene that migrated to the same pole.

What is energy and what are some different kinds of energy?

Answers

Answer:

Chemical energy is energy stored in the bonds of atoms and molecules. ...

Mechanical energy is energy stored in objects by tension. ...

Nuclear energy is energy stored in the nucleus of an atom—the energy that holds the nucleus together.

Explanation:

Energy is the ability to do work.

Some examples include:
- Kinetic Energy
- Radiant Energy
- Thermal Energy
- Sound Energy

Some examples of potential energy (stored inside matter) include:
- Gravitation Potential Energy
- Elastic Energy
- Chemical Energy
- Nuclear Energy

Hope this helps!! :)

If a population pyramid has a very broad base then what does that tell you about the population it represents?

Answers

Answer:

A population pyramid is defined as a graphical representation that shows distribution of both genders male and female in all age groups.

The base of a population pyramid represents the birth rate, so a very broad base represents the higher population of younger age children and higher birth rate.

Hence, the wide base shows higher population of younger age children and higher birth rate.

How do you think new proteins affect the fitness of children?
А
They have no effect on fitness
B
They increase fitness
C
They decrease fitness
D
All of the above

Answers

Answer: D of the above

Explanation: I am assuming this is for a gizmo because I had this same question. The correct answer for me was D.

New proteins affect the fitness of children as They increase fitness (option b )

Proteins

Protein are biochemical molecular substances made up of chains of Amino acids and are important part of a healthy diet. They are made up of chemical 'building blocks' called amino acids. Our body uses amino acids to build and repair muscles and bones and to make hormones and enzymes. They can also be used as an energy source

Read more about proteins:

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Sound travels at 343 meters per second. How far can sound travel in 2 seconds?

Answers

Answer: 686

Explanation:

im guessing 686 because 2 times 343 is 686 :) hope thats what your looking for

what is a biological detergent and how does it work​

Answers

Biological washing powder and liquids contain enzymes. These help to break down fat, grease and proteins to get clothes clean. While enzymes are great for getting rid of stains, they can damage wool, silk and other materials. Many people also find that they aggravate eczema and other sensitive skin conditions.



Can you please give me brainiest :)

What letters represent the four nitrogen bases in DNA?

Answers

Answer:

The four nitrogen bases found in DNA are adenine, cytosine, guanine, and thymine. Each of these bases are often abbreviated a single letter: A (adenine), C (cytosine), G (guanine), T (thymine).

Explanation:

The four nitrogen bases found in DNA are adenine, cytosine, guanine, and thymine. Each of these bases are often abbreviated a single letter: A (adenine), C (cytosine), G (guanine), T (thymine).

What is base-pairing rule?

According to the base-pairing rule, the one purine binds with a specific pyrimidine always, the purine adenine (A) only pairs with the pyrimidine thymine (T)  and similarly, the purine guanine (G) only pairs with the pyrimidine cytosine (C) in DNA, and in RNA the purine adenine (A) binds with the only uracil.

The bases are Adenine, guanine, guanine, cytosine, thymine,  adenine the string of their base pair would be Thymine, cytosine, cytosine, guanine, adenine, thymine.

DNA stands for Deoxyribonucleic acid. It is made up of two complementary strands. There are four nitrogenous base present in the DNA strand. These are-

Adenine (A), thymine (T), guanine (G), and cytosine (C). These bases pair with bases on the complemenatry strand just according to the  Watson and Crick base pairing ( A=T, G ≡ C ). Uracil is another nitrogenous base. But it is present in RNA in place of Thymine.

Thus, bases found in the DNA are Adenine, thymine, guanine, cytosine.

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How might a mat of mosses protect a forest?

Answers

Answer:

Mosses play important roles in filtering and storing the water and nutrients that forests need to survive and grow. Mosses are important because they help regulate water in the forest ecosystem by slowly absorbing and releasing rainfall while keeping nutrients in place. Their nutrients and water come from rainfall or running water.

Which of the following physical traits are shared by both plants and animals? [Will pick Brainliest]

A) They both utilize identical sexual organs
B) Flowers
C) Color
D) They both utilize protective structures

[iCEV Agriscience]

Answers

Answer:

(A)

Explanation:

can't be flower

can't be color

can't be protective structure

a flower has the ovary which animals have too

When 10 grams of water completely evaporate into water vapor, the volume of the water vapor is greater than the volume of the original liquid water, but the mass remains the same. Why does the mass stay the same?

Answers

Answer:

A very small amount of water vapor enters the atmosphere through sublimation, the process by which water changes from a solid (ice or snow) to a gas, bypassing the liquid phase.

Explanation:

Water vapor is released into the atmosphere by sublimation, which avoids the liquid phase and changes water directly from a solid (ice or snow) to a vapor.

What is the change in physical properties?

If you allow water to evaporate inside a sealed container, the container carrying the water and the water vapor will all have the same mass before, during, and after evaporation.

At air pressure, water reaches the same molecular/volume density as air (air is mostly nitrogen). The density of water vapor decreases with its rate of expansion.

The process through which stuff transforms from a liquid to a gas is called evaporation.

When a gas transforms into a liquid, condensation takes place. All matter is composed of tiny, movable units called molecules.

Therefore, no effect on mass due to change in phase

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The process through which stuff transforms from a liquid to a gas is called evaporation. When a gas transforms into a liquid, condensation takes place. All matter is composed of tiny, movable units called molecules.

Can someone help me please

Answers

Answer is 4
There are 4 daughter cells that form from the parent cells, all carrying half of the parent cells chromosomes.
Hope this helps

is Protist a Eukaryotic or Prokaryotic?

Answers

Answer:

Protists are Eukaryotic

Explanation:

Eukaryotics have only one cell I believe, and prokaryotics have multiple cell structures. Hope this helps you out!

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