When rats with a white coat are crossed with rats with a gray color, all the offspring turns out to be gray.
| December 3, 2020 | education
When rats with a white coat are crossed with rats with a gray color, all the offspring turns out to be gray. What color of the coat in rats is dominant, which is recessive? Determine the genotypes of parents and offspring.
given:
A-gray
a-white
decision :
R: AA x aa
gray bel
D: A x a
F1: Aa (gray)
Answer: gray-dominant, white-recessive.
parents: AA, aa
offspring: Aa
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