A single diploid cell containing 46 chromosomes underwent meiosis and produced four daughter cells, two with 22 chromosomes and two with 24 chromosomes. An error in which of the following stages of meiosis would most likely explain this result?A.Metaphase IIB.Prophase IIC.Telophase ID.Anaphase I
Question
A single diploid cell containing 46 chromosomes underwent meiosis and produced four daughter cells, two with 22 chromosomes and two with 24 chromosomes. An error in which of the following stages of meiosis would most likely explain this result?A.Metaphase IIB.Prophase IIC.Telophase ID.Anaphase I
Solution
The most likely stage of meiosis where this error occurred is Anaphase I.
During Anaphase I, homologous chromosomes are supposed to separate and move to opposite poles of the cell. If there was an error in this stage, it could result in an unequal distribution of chromosomes in the resulting cells.
In this case, instead of each cell receiving 23 chromosomes (which is half of the original 46), two cells received 22 and two received 24. This suggests that there was an error in the separation of the homologous chromosomes during Anaphase I.
Therefore, the answer is D. Anaphase I.
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