15
Question
The sperms bearing X chromosomes move faster than the sperms bearing Y chromosomes.
The sperms bearing X chromosomes move faster than the sperms bearing Y chromosomes.
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Solution
The correct option is B False
The X chromosome does give more weight to the sperm and hence swims slower compared to the sperm containing Y chromosome. But since faster swimming means faster burnout for the sperm, this advantage of the Y chromosome bearing sperm is negated. Eventually, it ensures that both type of sperms have equal chances to reach the egg.
False
The X chromosome does give more weight to the sperm and hence swims slower compared to the sperm containing Y chromosome. But since faster swimming means faster burnout for the sperm, this advantage of the Y chromosome bearing sperm is negated. Eventually, it ensures that both type of sperms have equal chances to reach the egg.
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