The presence of horns in goats is due to the presence of a dominant allele at an

Question

The presence of horns in goats is due to the presence of a dominant allele at an autosomal locus. Only male goats have horns. This trait is best describe as a(n) trait. A cross was made between a homless male and a heterozygous female. Determine the phenotypic ratio expected in the offspring from this cross. Fill in the spaces below with whole numbers in lowest form to complete the ratio. Write a zero in the space if no progeny of that type are expected. Horned Females : Homless Females : Horned Males : Homless Males

Explanation / Answer

The trait is treated as autosomal dominant sex influenced trait

horned females--0

hornless female-100%

horned males--50%

hornless males-50%

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