aji Name: Practice Genetics Problems - Set III (2018) 5. genotype are always whi

Question

aji Name: Practice Genetics Problems - Set III (2018) 5. genotype are always white (albino). If colo alleles. AA or Aa results in agouti color, while aa results in black coats. in mouse fur is only produced when the C allele is present. Individuals of the cc r is present, it may be determined by the A, a ) What Fl and F2 genotypic and and phenotypic ratios are obtained from a AACC and aacc mice? b) In three crosses between agouti females whose genotypes are unknown and males of the give the genotypes of the ace genotype, the following phenotypic ratios were obtained female parent for each cross 1, 2, and 3. (1) 8 agouti, 8 white (2) 9 agouti, 10 black (3) 4 agouti, 5 black, 10 white

Explanation / Answer

ANSWER:

a) f1 will have all agouti color

f2 will have 1:2:1 genotype ratio and 3:1 phenotypic ratio.

b) 1- 1:1

2- 9:10

3- 4:5:10

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