Question

X inactivation can cause a child to have one blue eye and one brown eye. How...

X inactivation can cause a child to have one blue eye and one brown eye. How is this? Can you mention the mechanisms that would be involved?

Science   Biology   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

Genes code the proteins.They tell the body what and how much of a protein to make.Normally,men have one X chromosome and women have two X chromosome .X- inactivation is the process where one of a woman's X chromosomes gets shut off.So they both have one working X chromosome.For example,Some people,child have blue eyes because the gene for eye color is broken,due to X-inactivation.So,people,child with brown or green eyes have more working copies of eye colour genes than people have blue eyes.

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Traditionally, blue-eye color is considered recessive to brown eyes in humans although, as noted in the...
Traditionally, blue-eye color is considered recessive to brown eyes in humans although, as noted in the chapter, eye color in humans is not a single gene trait. It has occasionally been the subject of folklore and “common knowledge” that blue-eyed parents usually have blue-eyed offspring. However, blue-eyed parents do often have brown-eyed children. In addition, when one brown-eyed child is born in this family, it is expected that subsequent children will also have brown eyes. Assuming the blue eyes really...
A couple has tree children, all of whom have blue eyes and blond hair. Both parents...
A couple has tree children, all of whom have blue eyes and blond hair. Both parents are homozygous for blue eyes(bb), and have brown hair (Rr). Which hair color allele is dominat?----------How is it possible for their three children to all have blonde hair? What is the probability that their next child will be blue eyed and have brown hair? Show how you arrived at your answers.
Milk Chocolate M&M’s come in 6 colors; blue, orange, green, yellow, red, and brown. Choose the...
Milk Chocolate M&M’s come in 6 colors; blue, orange, green, yellow, red, and brown. Choose the color of M&M’s you will be working with for this project Color: GREEN Using the collected data below from a single fun-sized bag, provide the frequency and proportion of M&M’s in your color of choice. Red Orange Yellow Green Blue Brown 2 1 2 3 5 1 Number of M&M's in your color: Total number of M&M's: Proportion of M&M's in your color: Construct...
2. In a particular species of salamander the skin can either be black or brown. The...
2. In a particular species of salamander the skin can either be black or brown. The black phenotype is recessive to the brown phenotype. Within a population of 1000 salamanders, 640 have the brown phenotype. Calculate the allele frequencies for this population. Show all of your work. How many heterozygotes are there? Make up an environmental change that could occur (not an oil spill or something we’ve talked about, invent your own) that would cause a shift in the allele...
You discover that the underlying cause of a disease is decreased expression of the protein X...
You discover that the underlying cause of a disease is decreased expression of the protein X due to a lower amount of the mRNA encoding protein X in cells. You find the corresponding mutation in the genome related to this disease. What kind of defect caused by this mutation can create the defective expression of the protein X? Describe two possible mechanisms (there are many possibilities). The best answers will include the nature of the mutation and how it impacts...
M&Ms are multicolored candies in a bag with six colors: Brown, Blue, Red, Yellow, Green and...
M&Ms are multicolored candies in a bag with six colors: Brown, Blue, Red, Yellow, Green and Orange. Mars now claims that all six colors are equally likely. In an attempt to reject the claim, an 8-oz bag of M&Ms was purchased and the colors counted. The results of the count are below. Does this sample contradict Mars’ claim when α = 0.10? Brown Blue Red Yellow Green Orange 37 41 32 25 36 39 If the claim is true what...
1. If the human eye can resolve an angle as small as one arc minute, estimate...
1. If the human eye can resolve an angle as small as one arc minute, estimate how far can we measure distance with good accuracy? You’ll have to measure the distance from the eye to your nose bridge. Pay attention to the units
Question 61 pts __________ is a homozygous recessive genotype. BB Bb bb blue Flag this Question...
Question 61 pts __________ is a homozygous recessive genotype. BB Bb bb blue Flag this Question Question 71 pts If both parents are heterozygotes (Bb), what is the probability that their offspring will have a brown phenotype or have brown eyes? 25% 50% 75% 100% Flag this Question Question 81 pts If both parents are heterozygotes (Bb), what is the probability that their offspring will have a heterozygous genotype? 25% 50% 75% 100% Flag this Question Question 91 pts If...
In drosophila (fruit flies), eye colour is sex-linked and red eye colour is dominant to white...
In drosophila (fruit flies), eye colour is sex-linked and red eye colour is dominant to white eye colour. In a cross between a red-eyed male and a heterozygous female, what is the probability of producing white eyed female? ___________ [2 Marks] 8. Black fur in grasscutter (B) is dominant to brown fur (b.) Short tails (T) are dominant to long tails (t). What fraction of the progeny of the cross BbTt x BBtt will have black fur and long tails?...
Justin and Janet, whose AGI is $456,000, have one daughter, age 5. How much child tax...
Justin and Janet, whose AGI is $456,000, have one daughter, age 5. How much child tax credit can they take?
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT