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Questions: 1. Length of fur is also genetically determined. The allele L produces long fur and its corresponding allele, I, produces short fur. Long fur is dominant to short. a) You mate 2 hamsters. Both heterozygous for brown long fur. Would you expect any of the offspring to have black short fur? If so, what proportion would have black short fur? b) What proportion would have black long fur? 2. In cats, yellow coat color is due to a gene, b, and black coat color is due to its allele, B. The alleles b and B are sex-linked (i.e. are located on the X chromosome). Because of Barr body formation, the heterozygous condition results in tortoise shell colored cats (both black and yellow patches). a) What kinds of offspring would be expected from the mating of a black male with a yellow female? b) Of a yellow male with a tortoise female?

Questions: 1. Length of fur is also genetically determined. The allele L produces long fur and its corresponding allele, I, produces short fur. Long fur is dominant to short. a) You mate 2 hamsters. Both heterozygous for brown long fur. Would you expect any of the offspring to have black short fur? If so, what proportion would have black short fur? b) What proportion would have black long fur? 2. In cats, yellow coat color is due to a gene, b, and black coat color is due to its allele, B. The alleles b and B are sex-linked (i.e. are located on the X chromosome). Because of Barr body formation, the heterozygous condition results in tortoise shell colored cats (both black and yellow patches). a) What kinds of offspring would be expected from the mating of a black male with a yellow female? b) Of a yellow male with a tortoise female?

Human Anatomy & Physiology (11th Edition)
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
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Questions: 1. Length of fur is also genetically determined. The allele L produces long fur and its corresponding allele, I, produces short fur. Long fur is dominant to short. a) You mate 2 hamsters. Both heterozygous for brown long fur. Would you expect any of the offspring to have black short fur? If so, what proportion would have black short fur? b) What proportion would have black long fur? 2. In cats, yellow coat color is due to a gene, b, and black coat color is due to its allele, B. The alleles b and B are sex-linked (i.e. are located on the X chromosome). Because of Barr body formation, the heterozygous condition results in tortoise shell colored cats (both black and yellow patches). a) What kinds of offspring would be expected from the mating of a black male with a yellow female? b) Of a yellow male with a tortoise female?
Transcribed Image Text:Questions: 1. Length of fur is also genetically determined. The allele L produces long fur and its corresponding allele, I, produces short fur. Long fur is dominant to short. a) You mate 2 hamsters. Both heterozygous for brown long fur. Would you expect any of the offspring to have black short fur? If so, what proportion would have black short fur? b) What proportion would have black long fur? 2. In cats, yellow coat color is due to a gene, b, and black coat color is due to its allele, B. The alleles b and B are sex-linked (i.e. are located on the X chromosome). Because of Barr body formation, the heterozygous condition results in tortoise shell colored cats (both black and yellow patches). a) What kinds of offspring would be expected from the mating of a black male with a yellow female? b) Of a yellow male with a tortoise female?
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