Red-green colorblindness in humans is caused by a sex-linked recessive allele. A color-blind man marries a woman with normal vision whose father was color-blind. Complete the Punnett square to answer the following questions: What is the probability that they will have a color-blind daughter? (X = wild type allele, Xc = color blind allele)

Human Biology (MindTap Course List)
11th Edition
ISBN:9781305112100
Author:Cecie Starr, Beverly McMillan
Publisher:Cecie Starr, Beverly McMillan
Chapter20: Chromosomes And Human Genetics
Section: Chapter Questions
Problem 7CT: The following pedigree shows the pattern of inheritance of red-green color blindness in a family....
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Red-green colorblindness in humans is caused by a sex-linked recessive allele. A color-blind man marries a woman with
normal vision whose father was color-blind. Complete the Punnett square to answer the following questions: What is the
probability that they will have a color-blind daughter? (X = wild type allele, Xc = color blind allele)
Xc
Y
XcXc
XY
XCXY
1/2
3/4
None
X
Yc
XcY
XXc
YYC
1/4
100%
XC
Y
Probability of having a colorblind daughter?
A
Transcribed Image Text:Red-green colorblindness in humans is caused by a sex-linked recessive allele. A color-blind man marries a woman with normal vision whose father was color-blind. Complete the Punnett square to answer the following questions: What is the probability that they will have a color-blind daughter? (X = wild type allele, Xc = color blind allele) Xc Y XcXc XY XCXY 1/2 3/4 None X Yc XcY XXc YYC 1/4 100% XC Y Probability of having a colorblind daughter? A
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