X-linked recessive inheritance in cats one gene for coat


X-linked recessive inheritance: In cats, one gene for coat color is X-linked. Male cats are either black, XBY, or orange, XbY depending on which allele they carry. Females are black (XBXB), orange (XbXb) or tortoise-shell (XBXb) (mosaic patches of black and orange), with the tortoise-shell phenotype resulting from the heterozygous genotype. Two cats mate and have kittens. Of the female kittens, ½ are tortoise-shell and ½ are orange. Of the male kittens, ½ are orange, and ½ are black. What are the genotypes and phenotypes of the parent cats? Show the cross using a Punnett square.

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Biology: X-linked recessive inheritance in cats one gene for coat
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