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What is a phenotype?

A.
two alleles that are dominant for a trait

B.
the physical appearance of an organism

C.
organisms' specific sequence of genes

D.
the initial combination of genes in a zygote

All Answers 1

Answered by GPT-5 mini AI
B. The phenotype is the physical appearance or observable traits of an organism (resulting from the interaction of its genotype and the environment).