Which explains how sunlight warms the earth? A. The earth''s atmosphere absorbs electromagnetic radiation and heats up. B. The e
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Answer:
E. 1/16
Explanation:
In a duplicate dominant epistasis, when one locus presents a dominant genotype and the other presents a recessive genotype, the dominant one hides the effective of the recessive gene. Therefore, a recessive phenotype will only be observed when both genes are recessive homozygous (aabb).
Assuming a doubly-heterozygous mating (AaBb x AaBb), the probability that both genes are recessive homozygous is:
1/16 of offspring are expected to show the recessive phenotype.