In goats, a beard is produced by an autosomal allele that is dominant in males and recessive in females. In this question, the symbol B will be used for the bearded allele and B* will be used for the beardless allele. Another independently assorting autosomal allele that produces a black coat (W) is dominant to the allele for white coat (w). Answer the following questions relating to the crosses below: B*BWw male X B Bb Ww female What proportion of males are bearded and black? What proportion of females are bearded and black? B*B Ww male X B*Bb Ww female What proportion of males are bearded and black? What proportion of females are bearded and black?

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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In goats, a beard is produced by an autosomal allele that is dominant in males and recessive in
females. In this question, the symbol B will be used for the bearded allele and B* will be used
for the beardless allele. Another independently assorting autosomal allele that produces a
black coat (W) is dominant to the allele for white coat (w). Answer the following questions
relating to the crosses below:
B*B Ww male X B B Ww female
What proportion of males are bearded and black?
What proportion of females are bearded and black?
B*B Ww male X B*Bb Ww female
What proportion of males are bearded and black?
What proportion of females are bearded and black?
Transcribed Image Text:In goats, a beard is produced by an autosomal allele that is dominant in males and recessive in females. In this question, the symbol B will be used for the bearded allele and B* will be used for the beardless allele. Another independently assorting autosomal allele that produces a black coat (W) is dominant to the allele for white coat (w). Answer the following questions relating to the crosses below: B*B Ww male X B B Ww female What proportion of males are bearded and black? What proportion of females are bearded and black? B*B Ww male X B*Bb Ww female What proportion of males are bearded and black? What proportion of females are bearded and black?
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