Why the genetic variation is important from an evolutionary standpoint?
(A)If all organisms were the same, the entire population would be vulnerable to particular pathogens, like viruses
(B)All evolutionary adaptations (e.g. the origin of forelimbs) are the result of the gradual build-up of genetic difference between organisms over geological time
(C)Evolution (at the population level) refers to changes in the frequencies of genes in the population overtime
(D)All of the aboveCorrect
Answer: (D)
Solution
Genetic variation protects a population from being wiped out by a single pathogen (a), is the raw material for the gradual build-up of adaptations over geological time (b), and
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