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19 Feb 2019
(2 points) 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?
yellow with spots
white with spots
yellow with no spots
white with no spots
Please explain
(2 points) 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?
yellow with spots
white with spots
yellow with no spots
white with no spots
Please explain
1
answer
0
watching
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Sixta KovacekLv2
21 Feb 2019