Explain why individuals in a population have different observable traits. (HINT: think about DNA, genes and chromosomes) please
2 answers:
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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.