A man with red-green color-blindness (a recessive, sex-linked condition) has a daughter of normal phenotype. She marries a man who is normal for the trait. a. If we use G for the normal allele and g for the recessive allele and O for no allele (i.e. it is a Y chromosome), what are the following genotypes? Man – Daughter – Daughter’s husband – b. What is the probability that a daughter of this mating will have color-blindness? c. What is the probability that a son will have color blindness? d. If the couple has four sons, what is the probability that all four will be born with color blindness?
A man with red-green color-blindness (a recessive, sex-linked condition) has a daughter of normal phenotype. She marries a man who is normal for the trait. a. If we use G for the normal allele and g for the recessive allele and O for no allele (i.e. it is a Y chromosome), what are the following genotypes? Man – Daughter – Daughter’s husband – b. What is the probability that a daughter of this mating will have color-blindness? c. What is the probability that a son will have color blindness? d. If the couple has four sons, what is the probability that all four will be born with color blindness?
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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A man with red-green color-blindness (a recessive, sex-linked condition) has a daughter of normal
a. If we use G for the normal allele and g for the recessive allele and O for no allele (i.e. it is a Y chromosome), what are the following genotypes?
Man –
Daughter –
Daughter’s husband –
b. What is the probability that a daughter of this mating will have color-blindness?
c. What is the probability that a son will have color blindness?
d. If the couple has four sons, what is the probability that all four will be born with color blindness?
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