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1. In rabbits, coat color is affected by a series of alleles with a hierarchy of dominance such that C+> C ch >Ch > c. Each allele is dominant over all the alleles listed to its right. C+ codes for full color, Cch codes for chinchilia, Ch codes for himalayan (white with black extremities) and small c codes for albino. A chinchilla rabbit is mated to a himalayan rabbit. Each of these rabbits has one albino parent. What are the phenotypes of the offspring and the probability that each wili be produced? Answer

1. In rabbits, coat color is affected by a series of alleles with a hierarchy of dominance such that C+> C ch >Ch > c. Each allele is dominant over all the alleles listed to its right. C+ codes for full color, Cch codes for chinchilia, Ch codes for himalayan (white with black extremities) and small c codes for albino. A chinchilla rabbit is mated to a himalayan rabbit. Each of these rabbits has one albino parent. What are the phenotypes of the offspring and the probability that each wili be produced? Answer

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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Please help me answer numbers 1-4. Please please. Thank you! 

OTHER NON MENDELIAN INHERITANCE 1. In rabbits, coat color is affected by a series of alleles with a hierarchy of dominance such that C+> C ch >Ch > c. Each allele is dominant over all the alleles listed to its right. C+ codes for full color. Cch codes for chinchilia, Ch codes for himalayan (white with black extremities) and small c codes for albino. A chinchilla rabbit is mated to a himalayan rabbit. Each of these rabbits has one albino parent. What are the phenotypes of the offspring and the probability that each wili be produced? Answer 2. The autosomal dominant allele ML specifies a tailless phenotype in cats. This allele is lethal in the homozygous state. A tailless female cat is mated to a tailless male cat. What are the phenotypes of the offspring and the probability that each will be produced? Answer 3. Agouti (A) is wild type and produces alternating bands of pigment on each hair. Black (a) is recessive to agouti. A mutation on gene B (recessive b) can eliminate all color. In a cross between agouti (AABB) and albino (aabb) mice, what genotypes, phenotypes, and proportions are expected in the offspring in F1 and F2 generations? Answer 4. What unusual phenomenon is at work in each of the following disorders? a. Mara develops dark patches on her face. Her family physician suspects that she may have alkaptonuria. However, a dermatologist discovers that the woman has been using a facial cream containing hydroquinone, which causes skin patches in dark-skinned people? Answer
Transcribed Image Text:OTHER NON MENDELIAN INHERITANCE 1. In rabbits, coat color is affected by a series of alleles with a hierarchy of dominance such that C+> C ch >Ch > c. Each allele is dominant over all the alleles listed to its right. C+ codes for full color. Cch codes for chinchilia, Ch codes for himalayan (white with black extremities) and small c codes for albino. A chinchilla rabbit is mated to a himalayan rabbit. Each of these rabbits has one albino parent. What are the phenotypes of the offspring and the probability that each wili be produced? Answer 2. The autosomal dominant allele ML specifies a tailless phenotype in cats. This allele is lethal in the homozygous state. A tailless female cat is mated to a tailless male cat. What are the phenotypes of the offspring and the probability that each will be produced? Answer 3. Agouti (A) is wild type and produces alternating bands of pigment on each hair. Black (a) is recessive to agouti. A mutation on gene B (recessive b) can eliminate all color. In a cross between agouti (AABB) and albino (aabb) mice, what genotypes, phenotypes, and proportions are expected in the offspring in F1 and F2 generations? Answer 4. What unusual phenomenon is at work in each of the following disorders? a. Mara develops dark patches on her face. Her family physician suspects that she may have alkaptonuria. However, a dermatologist discovers that the woman has been using a facial cream containing hydroquinone, which causes skin patches in dark-skinned people? Answer
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