alishabhappy1
14.01.2020 •
Biology
What problem would most likely to occur if a haploid cell attempted to perform meiosis? the cell could not replicate its dna prior to meiosis. the cell could not pair homologous chromosomes during meiosis i. the cell would produce diploid daughter cells?
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Ответ:
The correct answer is:- the cell could not pair homologous chromosomes during meiosis
Explanation:
Haploid cells do not perform meiosis because in meiosis separation of sister chromatid occurs and in the haploid cell, sister chromatid is not present.
In the haploid cell, the number of chromosomes is already half. In metaphase I, the spindle protein is attached to the same chromatid during the time of congression. the division of chromosomes could not be done due to absence of sister chromatid.
In this condition, the cell cycle does not process and stops at the quiescent phase.
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Ответ:
The answer is; the cell could not pair homologous chromosomes during meiosis.
For meiosis to occur, the sister chromosomes pairs line up in the metaphase-plate so that each chromosome of the pair is pulled to the opposite pole by the spindle in anaphase. Therefore, meiosis can only occur in cells with normal ploidy so the ploidy halved by meiosis.
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