ight so According to dat punnet square, 90 of dem lil fluffy bunnies should be black.
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Answer:
C) 90
Explanation:
As per Mendel’s law of dominance, the dominant allele expressed in F1 offspring in heterozygous condition. Thus, in heterozygous condition, the dominant gene determines the phenotype for a trait. In the given question all the bunnies of the F1 generation will be black fur (Bb). B is the dominant allele. When heterozygous rabbit with black fur are crossed then both black and white fur rabbits are produced in the F2 generation in the ratio 3:1. Recessive phenotype, white fur (bb) will appear only in homozygous condition.
As per the question, 120 bunnies are born. 90 bunnies will be with black fur and 30 will be of white fur in the ratio 3:1. The 90 bunnies will be black.
