Question

Natural selection acts directly on an organism’s ___________.

A. chromosomes
B. alleles
C. genotype
D. phenotype

Answer 1

The answer is

D. Phenotype

Trust me a took a test with the same question and got it right!

Answer 2

The correct answer would be D. phenotype.

Natural selection refers to the natural phenomenon by which beneficial phenotype or physical traits are directly selected rather than the genes or the alleles.

For example, natural selection may directly increase the percentage of organism with dark color fur (phenotype) if it provides some survival or adaptive benefits to the organism.