In cats with tortoiseshell coat color, the fur is white with patchy black and orange spots....

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Biology

In cats with tortoiseshell coat color, the fur is white withpatchy black and orange spots. In cats, the tortoiseshell gene ison the X chromosome, and the tortoiseshell phenotype requires thepresence of 2 different alleles at this locus: one for orange fur(o) and one for black fur (b). Which phenomenon best explains whyfemale cats can inherit tortoiseshell coat color?
(A. In females, the alleles for coat color are pleiotropic,resulting in patches of orange and black coat color.
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B In females, these coat color alleles show incomplete dominance,but in males, the coat color alleles do not.
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C Females typically express both the orange and the black allele ineach cell (alleles are co-dominant), making orange and black coatcolor possible.
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D Females are mosaic with respect to their X chromosomes, becausein each cell, one of the X chromosomes is randomlyinactivated.)

If a black female cat mates with an orange male cat, whatproportion of their female offspring are expectedto be tortoiseshell cats?

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Question Which phenomenon best explains why female cats can inherit tortoiseshell coat color Answer D Females are mosaic with respect to their X chromosomes because in each cell one of the X chromosomes is randomly inactivated This is the correct option because female cat carry double X linked gene which is linked See Answer

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