An example of sex-influenced inheritance is found in cattle. Certain breeds have

Question

An example of sex-influenced inheritance is found in cattle. Certain breeds have scurs, which are small hornlike bones that grow where actual horns would grow in other breeds of cattle. The trait appears to be controlled by a single gene that is dominant in males and recessive in females. A female cow with scurs and a male bull with no scurs have an offspring. This offspring could be:

A. a female with scurs or a male with scurs

B. a female with no scurs or a male with no scurs

C. a female with no scurs or a male with scurs

D. a female with scurs or a male with no scurs

Explanation / Answer

C- Female with no Scurs or a male with Scurs

Scurs is an example of sexlinked inheritance which produces small horn like out growths on the frontal bone on the same locations where horns would grow.This trait is controlled by a single gene that exists in Sc and sc alleles.This trait is dominant in males and recessive in females.

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