A cell containing two identical copies of a pair of homologous chromosomes undergoes meiosis, during which the non-sister chromatids in that pair crossover, exchanging a gene that controls the rate of cellular metabolism. After the resulting gametes combine with others to form a zygote, what will the effect of this crossover be?
a. The metabolism of the new organism will be increased.
b. The organism will have inherited a defective copy of this gene.
c. Exchanging identical genes will have no effect on metabolism.
d. The metabolism of the new organism will be decreased.
c. Exchanging identical genes will have no effect on metabolism.
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