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Biology, 10.11.2019 20:31 destinyhammons12345
Genes can sometimes be exchanged between homologous chromosome pairs. this process is known as crossing-over. which of the following statements is true of crossing-over? a. crossing-over always results in a non-beneficial mutation. b. the gene for eye color can be exchanged with the gene for hair color during crossing-over. c. crossing-over contributes to genetic diversity or variation. d. only one gene may be exchanged at a time during crossing-over.
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