In leopards, the SPT gene drives formation of spots in the f

In leopards, the SPT gene drives formation of spots in the fur. If SPT is not expressed or mutant it… Show more In leopards, the SPT gene drives formation of spots in the fur. If SPT is not expressed or mutant it results in no spots. SPT is a haplosufficient gene that is maternally imprinted. Another gene, YLW, produces yellow pigment in the fur. If YLW is mutant or not expressed it results in white fur. YLW is a haploinsufficient gene that is paternally imprinted. A female leopard is heterozygous for null mutations in both the YLW and SPT genes with the null alleles in trans. She inherited the null YLW mutation from her mother. What is the phenotype of the female leopard? B) The female leopard (from the previous question) mates with a male leopard that is homozygous for wildtype alleles of both SPT and YLW. What are the expected progeny phenotypes if there is no crossing over? • Show less

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