Small chromosomal duplications provide raw material for the addition of genes into a species' genome. These duplications create two or more copies of the same gene, where one or both of the genes can subsequently mutate. These genes are referred to as

A. transposable elements.
B. duplicated chromosomes.
C. sister chromatids.
D. homologous genes.
E. homologous chromosomes.


Answer: D

Biology & Microbiology

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