A man with hemophilia (X-linked recessive) has two kids: a girl who has a normal phenotype, and a boy who has hemophilia. What is the genotype of the man? What is the genotype of the boy? From which parent did the boy get his X-chromosome? What is the genotype of the girl? • What must be the genotype of their mother? If this same man and woman have more children, what are the chances that a son will be affected?

A man with hemophilia (X-linked recessive) has two kids: a girl who has a normal phenotype, and a boy who has hemophilia. What is the genotype of the man? What is the genotype of the boy? From which parent did the boy get his X-chromosome? What is the genotype of the girl? • What must be the genotype of their mother? If this same man and woman have more children, what are the chances that a son will be affected?

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter4: Pedigree Analysis In Human Genetics

Section: Chapter Questions

Problem 17QP: Analysis of X-Linked Dominant and Recessive Traits A young boy is color-blind. His one brother and...

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Question

100%

A man with hemophilia (X-linked recessive) has two kids:
a girl who has a normal phenotype, and
a boy who has hemophilia.
What is the genotype of the man?
What is the genotype of the boy?
From which parent did the boy
get his X-chromosome?
What is the genotype of the girl?
• What must be the genotype of their mother?
If this same man and woman have more children,
what are the chances that a son will be affected?

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Red-green colorblindness caused by an X-linked recessive allele in humans. • A woman who had a colorblind father and a man with typical vision have a child together. Indicate the probability that their child will have red-green colorblindness for both a girl and a boy. • A woman with no family history of colorblindness and a man with red-green colorblindness have a child together. Indicate the probability that their child will have red-green colorblindness for both a girl and a boy.
A type of red-green colorblindness is inherited recessively on the X chromosome. A woman who is a carrier had children with a male that is not affected by the disease. Show your answers with the use of a Punnett square • What is the probability (% or likelihood) that a child is affected by the disease? • What is the probability (% or likelihood) that a son is a carrier? (Careful!) • Is there a chance that a girl of the couple is affected by the disease?
Pls help
Q1
Please shows me Punnett square ，so I will know how to solve this problem
A mother is a carrier of a recessive X-linked disorder. What are the chances of her offspring being afflicted by this disorder assuming a healthy father? 100% chance for male offspring; ~0% chance for female offspring 50% chance for male offspring; ~0% chance for female offspring 0% chance for male offspring; ~0% chance for female offspring 25% chance for male offspring; ~25% chance for female offspring 50% chance for male offspring; ~50% chance for female offspring
What percentage of all children will be carriers? What is the sex of the carriers? 2. A heterozygous woman carrying the recessive gene for hemophilia marries a man who is not a hemophiliac. Assume the dominant gene is X" and the recessive gene is X". The woman's genotype is X"X", and her husband's genotype is X"Y. What is the potential percentage and sex of their offspring who will be hemophiliacs? % males; % females 100 What percentage can be expected to lack the allele for hemophilia? What is the anticipated sex and percentage of individuals who will be carriers for hemophilia? 2014 sex %,
(x-linked genes q6 revised) so sorry about the mix-up, if forgot to include the first part of the question. please answer the question now that i have fixed my mistake. Thank you!
DUCHENNE MUSCULAR DYSTROPHY IS AN X-LINKED RECESSIVE TRAIT THAT CAUSES PROGRESSIVE MUSCLE WASTING. BEFORE 1970, OVER 85% OF AFFECTED INDIVIDUALS DIED BEFORE THE AGE OF 25. IN THE SPACE BELOW, ANSWER THESE TWO QUESTIONS: • WHY IS IT VERY RARE (8%, LESS THAN EXPECTED FOR AN X-LINKED RECESSIVE TRAIT) TO FIND FEMALES AFFECTED BY THIS DISORDER? • A WOMAN WHOSE BROTHER HAS THIS DISEASE WISHES TO HAVE CHILDREN. ASSUME EVERYONE ELSE IN THIS FAMILY IS UNAFFECTED. WHAT IS THE PROBABILITY THAT SHE WILL PASS THIS TRAIT ON TO A SON? (HINT: WHAT IS THE PROBABILITY SHE IS A CARRIER AND PASSES HER AFFECTED ALLELE?)
Hemophilia is an X-linked recessive trait. The wife is hemophiliac, but the man has normal blood clotting. What is the probability that their SONS will be hemophiliac? 25% 75% 100% 50% 0%
In which parent the chromosomal mutation occurred. Father or Mother At what stage in meiosis (I or II) the chromosomal mutation occurred see image attached
Which genotype is homozygous? O aaBb O Aabb O AAbb O AABB