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 с 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 one another (give the gene order and distances)?

Human Anatomy & Physiology (11th Edition)
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Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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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
42
с
AabbC 11
4
C
aaBbcc 12
AaBbc
C
aabbc
C
Aabbc
C
aaBbC
C
36
340
14
122
100
0
Total
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). AaBbC 32 0 C aabbc 42 с AabbC 11 4 C aaBbcc 12 AaBbc C aabbc C Aabbc C aaBbC C 36 340 14 122 100 0 Total 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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