All Questions
4 questions
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Considering Two Genes, Are There Only Two Possible Outcomes for the Four Gametes Produced After Meiosis, Regardless of Independent Assortment?
Is it true that for a single meiotic event when considering only two genes, there are only two possible genetic outcomes among the four gametes produced, regardless of whether the two genes are found ...
- 139
2
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1
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How many of the four meiotic daughter chromosomes of a homologous pair can be recombinant via crossover?
In graphics I've seen, crossing over occurs between the "inner" two chromatids in a side-by-side arrangement of two duplicated chromosomes:
This suggests that only two of the four meiotic daughter ...
- 163
-1
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1
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Fertilization of the human egg- where does our centrosome come from? [closed]
Is there a centrosome in a human egg cell? Is the reason why the egg cell remains paused before meiosis 2 because there isn't a centrosome, and it only divides when the sperm fertilizes it thus it can ...
- 115
3
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2
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Doesn't meiosis form two pairs of similar cells and two pairs of opposite cells?
I am learning about meiosis in biology. I've learnt that the crossing-over in metaphase I only exchanges small portions of DNA at the tips of the chromosomes. Doesn't this mean that:
After meiosis I, ...
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