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Biology, 18.11.2019 22:31 micahsocool23

Dosage compensation in mammals typically involves the random inactivation of one of the two x chromosomes relatively early in development. such x chromosome inactivation often leads to phenotypic mosaicism. assume that black fur in cats is due to the x-linked recessive gene b, whereas its dominant allele b produces yellow fur. a bb heterozygote is a mosaic called "tortoise shell" or "calico." a mating between a black male and a calico female occurred. give the phenotypes of the offspring.

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