1.In humans, one type of red-green color blindness is a sex-linked recessive. Normal color vision is dominant to color blindness. a. Two parents with normal vision produce a colorblind son, What are the genotypes of the parents? heterozygous for x-linked trait mother IS carrier ; father Is normmal b. What are the chances of their next child being a colorblind female? c. What are the chances of their next child being a son with normal vision?

Biology (MindTap Course List)
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Chapter11: The Basic Principles Of Heredity
Section: Chapter Questions
Problem 6TYU: Redgreen color blindness is an X-linked recessive disorder in humans. Your friend is the daughter of...
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1.In humans, one type of red-green color blindness is a sex-linked recessive. Normal
color vision is dominant to color blindness.
a. Two parents with normal vision produce a colorblind son. What are the
genotypes of the parents? heterozygous for x-1inked trait
mother IS carrier i father
XY
ANX
is normal
b. What are the chances of their next child being a colorblind female?
c. What are the chances of their next child being a son with normal
vision?
Transcribed Image Text:1.In humans, one type of red-green color blindness is a sex-linked recessive. Normal color vision is dominant to color blindness. a. Two parents with normal vision produce a colorblind son. What are the genotypes of the parents? heterozygous for x-1inked trait mother IS carrier i father XY ANX is normal b. What are the chances of their next child being a colorblind female? c. What are the chances of their next child being a son with normal vision?
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