2. In rabbits, agouti fur coat color (C) is dominant to chinchilla (Cch), which is dominant to Himalayan (C"), which is dominant to albino (c). Determine phenotypic ratio for the cross CCch x Cchch.

Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN:9781305251052
Author:Michael Cummings
Publisher:Michael Cummings
Chapter6: Cytogenetics: Karyotypes And Chromosome Aberrations
Section: Chapter Questions
Problem 2CS: Genetics in Practice case studies are critical-thinking exercises that allow you to apply your new...
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Number 2 and 3

Instruction: Analyze each genetic problem. Answer what is asked for.
Show complete solution.
1. A cross between a black cat and a tan cat results in a tabby cat. A tabby
cat is crossed with a tan cat.
a. What is the pattern of inheritance in this example?
b. What ratio of the offspring will have tabby fur? Tan fur? Black fur?
2. In rabbits, agouti fur coat color (C) is dominant to chinchilla (Cch), which is
dominant to Himalayan (C"), which is dominant to albino (c). Determine
phenotypic ratio for the cross Ccch x Cchch.
Transcribed Image Text:Instruction: Analyze each genetic problem. Answer what is asked for. Show complete solution. 1. A cross between a black cat and a tan cat results in a tabby cat. A tabby cat is crossed with a tan cat. a. What is the pattern of inheritance in this example? b. What ratio of the offspring will have tabby fur? Tan fur? Black fur? 2. In rabbits, agouti fur coat color (C) is dominant to chinchilla (Cch), which is dominant to Himalayan (C"), which is dominant to albino (c). Determine phenotypic ratio for the cross Ccch x Cchch.
3. In the early 1940s, famed entertainer Charlie Chaplin ewas taken to
court in a paternity case brought by his former protege, Joan Berry. Berry
was 23 and Chaplin 54, and she alleged that he was the father of her
newborn baby, Carol Ann. Charlie Chaplin's blood type was already on
record as type AB. The mother of the child had type A and her child had type
O blood.
a. Complete a Punnett square for the possible cross of Charlie and the
mother
b. The judge ruled in favor of the mother and ordered Charlie Chaplin
to pay child support costs of the child. Was the judge correct in his
decision based on blood typing evidence? Explain why or why not.
Transcribed Image Text:3. In the early 1940s, famed entertainer Charlie Chaplin ewas taken to court in a paternity case brought by his former protege, Joan Berry. Berry was 23 and Chaplin 54, and she alleged that he was the father of her newborn baby, Carol Ann. Charlie Chaplin's blood type was already on record as type AB. The mother of the child had type A and her child had type O blood. a. Complete a Punnett square for the possible cross of Charlie and the mother b. The judge ruled in favor of the mother and ordered Charlie Chaplin to pay child support costs of the child. Was the judge correct in his decision based on blood typing evidence? Explain why or why not.
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