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Home Q & A Board Biology-Related Homework Help Genetics and Developmental Biology
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makmim3 makmim3
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2 years ago
In certain goat breeds, appearance of a chin beard is a sex-influenced trait. Recall that bearding is inherited as an autosomal trait determined by two alleles, B1 and B2, and females must be homozygous for the bearded allele, B2, to have a beard. What genotypes must a bearded billy goat (male) and a beardless female goat have if they have a bearded female offspring?

▸ The bearded billy goat must be heterozygous for the bearded allele, while the beardless female must be homozygous for the bearded allele.

▸ Both the bearded billy goat and beardless female must be heterozygous for the bearded allele.

▸ The bearded billy goat could be heterozygous or homozygous for the bearded allele, while the beardless female must be heterozygous for the bearded allele.

▸ Both the bearded billy goat and beardless female must be homozygous for the bearded allele.

▸ The bearded billy goat could be heterozygous or homozygous for the bearded allele, while the beardless female must be homozygous for the bearded allele.
Textbook 
Genetic Analysis: An Integrated Approach

Genetic Analysis: An Integrated Approach


Edition: 3rd
Authors:
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jaimieramirezjaimieramirez
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