All Questions
Tagged with meiosis sexual-reproduction
6 questions
2
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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
8
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1
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Polyploidy, or why plants of different species can produce fertile offspring hybrids more frequently than animals?
This site says:
Plants hybridize much more frequently and successfully than animals do. [...] Chromosomal doubling (polyploidy) occurs more frequently in plants and facilitates the fertility of the ...
- 1,313
1
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2
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How do biologists determine the parents of a child
I am not well-versed in biology so this question might be wrong. As far as I understand meiosis, two germ line cells with 23 chromosomes each (one cell from the father and another from the mother) ...
user38033
4
votes
1
answer
139
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How is it possible for monosomies to occur?
I was taught in biology class that a cell dies if it doesn't have at least one copy of a chromosome "type". If this is the case, that means that:
Zygotes without a copy of a specific chromosome (for ...
user32893
5
votes
2
answers
40k
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No. of meiotic divisions to produce specific no. of seeds
If I want to produce 100 seeds. Then the no. of meiotic divisions is 125 which can be calculated by the formula x + x / 4.
x = no. of seeds produced.
How is this formula derived?
- 99
1
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1
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How can a haploid plant be bisexual?
According to Wikipedia:
Meiosis is a specialized type of cell division that reduces the chromosome number by half. This process occurs in all sexually reproducing single-celled and multicellular ...
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