Biology, 17.09.2019 22:30 jadenjohnson89
Red–green color blindness is a human x-linked recessive disorder. the normal allele (xb) is dominant to the mutant allele (xb). jill has normal color vision, but her father is color blind. jill marries tom, who also has normal color vision. jill and tom have a daughter who has turner syndrome and is color blind. how did the daughter inherit color blindness?
a. paternal nondisjunction followed by fertilization by sperm carrying sex chromosomes xb
b. maternal nondisjunction followed by fertilization by sperm lacking sex chromosomes
c. paternal nondisjunction followed by fertilization by sperm lacking sex chromosomes
d. maternal nondisjunction followed by fertilization by sperm carrying xb
e. maternal nondisjunction followed by fertilization by sperm carrying xb
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Red–green color blindness is a human x-linked recessive disorder. the normal allele (xb) is dominant...
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