In hippos, addiction to beer is a dominant trait, while genes for green and white coloration are incompletely dominant: heterozygous individuals are colored light green. crossed diheterozygous hippos. What is the likelihood that F1 offspring will have a white color and a love of beer.
Scheme for solving the problem:
A – love for beer, and – indifference to beer;
B – green, b – white. Вb – light green color.
Parents: AaBb x AaBb,
Gametes: AB, ab, Ab, ab x AB, ab, Ab, ab.
AABB, AaBb, AABb, AaBB,
AaBb, aabbb, Aabb, aaBb,
AABb, Aabbb, AAbb: AaBB,
AaBB, aaBb, AaBb, aaBB.
The offspring with white color and love for beer correspond to the genotypes Aabb and AAbb. Out of 3 out of 16, i.e. the probability is 3:16 or 18.75%.
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