If an animal has 6 chromosome pairs in its cells, then 64 combinations of chromatids are possible for a gamete. If both male and female gametes have 64 possible chromosome combinations, how many genetically unique zygotes could be produced due to random fertilization? (Assume crossing over does not occur.)Multiple choice question.About 8,000,000About 400About 80,000About 4,000
Question
If an animal has 6 chromosome pairs in its cells, then 64 combinations of chromatids are possible for a gamete. If both male and female gametes have 64 possible chromosome combinations, how many genetically unique zygotes could be produced due to random fertilization? (Assume crossing over does not occur.)Multiple choice question.About 8,000,000About 400About 80,000About 4,000
Solution
The number of genetically unique zygotes that could be produced due to random fertilization can be calculated by multiplying the number of possible combinations in the male gamete by the number of possible combinations in the female gamete.
In this case, both the male and female gametes have 64 possible combinations. Therefore, the total number of unique zygotes that could be produced is 64 * 64 = 4096.
So, the answer is "About 4,000".
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