1. Pigment in mouse fur is only produced when the C allele is present. Individuals of the ce genotype are white. If color is present, it may be determined by the A, a alleles. AA or Aa results in agouti color, while aa results in black coats. What F, and F₂ genotypic and phenotypic ratios are obtained from a cross between a. AaBbCc x AaBbcc b. AaBBCc x AaBBCc C- pigmented CC A-B- A-bb aaB- aabb = albino (gray) (yellow) (black) (cream) c. Given the above inheritance pattern what is the genotype and phenotype of the parents that resulted in the following offspring. 9/16 gray: 3/16 yellow:4/16 albino Why is this ratio not in 1/64?
1. Pigment in mouse fur is only produced when the C allele is present. Individuals of the ce genotype are white. If color is present, it may be determined by the A, a alleles. AA or Aa results in agouti color, while aa results in black coats. What F, and F₂ genotypic and phenotypic ratios are obtained from a cross between a. AaBbCc x AaBbcc b. AaBBCc x AaBBCc C- pigmented CC A-B- A-bb aaB- aabb = albino (gray) (yellow) (black) (cream) c. Given the above inheritance pattern what is the genotype and phenotype of the parents that resulted in the following offspring. 9/16 gray: 3/16 yellow:4/16 albino Why is this ratio not in 1/64?
Human Anatomy & Physiology (11th Edition)
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ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
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
Transcribed Image Text:1. Pigment in mouse fur is only produced when the C allele is present. Individuals of the ce genotype are white. If
color is present, it may be determined by the A, a alleles. AA or Aa results in agouti color, while aa results in black
coats.
What F, and F₂ genotypic and phenotypic ratios are obtained from a cross between
a. AaBbCc x AaBbcc
b. AaBBCc x
AaBBCc
C-
pigmented
CC
A-B-
A-bb
aaB-
aabb
= albino
(gray)
(yellow)
(black)
(cream)
c. Given the above inheritance pattern what is the genotype and phenotype of the
parents that resulted in the following offspring.
9/16 gray: 3/16 yellow:4/16 albino
Why is this ratio not in 1/64?
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