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Home Q & A Board Biology-Related Homework Help Genetics and Developmental Biology
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lemily516 lemily516
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11 years ago
in pople color blindness is a sex linked characteristic . the dominant allele R codes for normal color vision and its recessive allele r codes for color blindness. what are the expected genotype and phenotype characteristics going to be if when a a married couple have children? the man is color blind and the woman is not color blind, but she is a carrier for color blindness.
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#1
11 years ago
There is 25% chance of a carrier girl (XRXr), 25% chance of a colorblind girl (XrXr), 25% chance of a normal boy (XRY) and 25% chance of a colorblind boy (XrY)
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#2
11 years ago
Male: Xr Y
Female: XR Xr

Possibilities

XRXr     XrXr      XRY      XrY

50% of females will be carries
50% of females will be color blind

50% of males will be normal
50% of males will be color blind
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lenaellelenaelle
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#3
11 years ago
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