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An F1 of the parents AABBCC x aabbcc was testcrossed to a triply recessive organism (aabbcc). AaBbC 32 0 C aabbC C 42 AabbC 11 C 4 aaBbcc 12 AaBbc C aabbc C Aabbc C aaBbC C 36 340 14 122 100 Total 0 1. If these three genes were assorting independently, how many genotypic classes would result in the offspring? 2. If these three genes are so tightly linked that no crossovers were recovered, what proportion of each genotypic class would be observed in the offspring? 3. The genotypes of the progeny are in the following table. What can you conclude from the actual data about the location of the three genes in relation to one another (give the gene order and distances)?

An F1 of the parents AABBCC x aabbcc was testcrossed to a triply recessive organism (aabbcc). AaBbC 32 0 C aabbC C 42 AabbC 11 C 4 aaBbcc 12 AaBbc C aabbc C Aabbc C aaBbC C 36 340 14 122 100 Total 0 1. If these three genes were assorting independently, how many genotypic classes would result in the offspring? 2. If these three genes are so tightly linked that no crossovers were recovered, what proportion of each genotypic class would be observed in the offspring? 3. The genotypes of the progeny are in the following table. What can you conclude from the actual data about the location of the three genes in relation to one another (give the gene order and distances)?

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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An F1 of the parents AABBCC x aabbcc was testcrossed to a triply recessive organism (aabbcc). AaBb C 32 C 0 aabbC 42 AabbC 11 C 4 C aaBbc 12 AaBbc C aabbc C Aabbc C aaBbC C 36 340 14 122 100 Total 0 1. If these three genes were assorting independently, how many genotypic classes would result in the offspring? 2. If these three genes are so tightly linked that no crossovers were recovered, what proportion of each genotypic class would be observed in the offspring? 3. The genotypes of the progeny are in the following table. What can you conclude from the actual data about the location of the three genes in relation to one another (give the gene order and distances)?
Transcribed Image Text:An F1 of the parents AABBCC x aabbcc was testcrossed to a triply recessive organism (aabbcc). AaBb C 32 C 0 aabbC 42 AabbC 11 C 4 C aaBbc 12 AaBbc C aabbc C Aabbc C aaBbC C 36 340 14 122 100 Total 0 1. If these three genes were assorting independently, how many genotypic classes would result in the offspring? 2. If these three genes are so tightly linked that no crossovers were recovered, what proportion of each genotypic class would be observed in the offspring? 3. The genotypes of the progeny are in the following table. What can you conclude from the actual data about the location of the three genes in relation to one another (give the gene order and distances)?
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