The term “2n” means

(a) the diploid chromosome number is present.
(b) the haploid chromosome number is present.
(c) chromosomes within a single nucleus exist in homologous pairs.
(d) both a and c.


(d) both a and c.

Biology & Microbiology

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Which of the following best describes the mechanism behind the change in beak size in the finch population?

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