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Question
The drawing shows a cell whose diploid chromosome number is four. This cell is in?
The drawing shows a cell whose diploid chromosome number is four. This cell is in?
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Solution
The correct option is C First anaphase of meiosis
Meiosis is divided into 2 phases, meiosis I and meiosis II. Meiosis I is similar to mitosis and is equational division. Meiosis II is reduction division. It is divided into 4 stages, namely prophase, metaphase, anaphase and telophase. During prophase I, the chromosomes condense and become visible. Nuclear envelope breaks down. During metaphase I, mitotic spindle is formed. The centrioles are present at opposite poles of the cells. Chromosomes are linked at metaphase plate. During anaphase I, sister chromosomes (diploid) are pulled towards the opposite poles. During telophase I, the sister chromosomes are present at the opposite pole. Meiosis II consists of similar stages. However, at the end of meiosis II, there are 4 daughter cells consisting of haploid chromosome.Thus, the correct answer is 'First anaphase of meiosis.'
Meiosis is divided into 2 phases, meiosis I and meiosis II. Meiosis I is similar to mitosis and is equational division. Meiosis II is reduction division. It is divided into 4 stages, namely prophase, metaphase, anaphase and telophase. During prophase I, the chromosomes condense and become visible. Nuclear envelope breaks down. During metaphase I, mitotic spindle is formed. The centrioles are present at opposite poles of the cells. Chromosomes are linked at metaphase plate. During anaphase I, sister chromosomes (diploid) are pulled towards the opposite poles. During telophase I, the sister chromosomes are present at the opposite pole. Meiosis II consists of similar stages. However, at the end of meiosis II, there are 4 daughter cells consisting of haploid chromosome.
Thus, the correct answer is 'First anaphase of meiosis.'
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