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Recent studies have indicated that one of the possible reasons behind male infertility is certain mutations in the mitochondrial DNA of the sperms that affect the way mitochondria in the sperms function. What could be a possible effect of such a mutation on the sperm? A. It lowers the sperm count. B. It lowers the sperm motility. C. It lowers the ability to penetrate the egg. D. It lowers the ability to produce hormones. |
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Answer» B. It lowers the sperm motility. |
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