EMBRYOLOGY
CHROMOSOMES AND CELL DIVISIONS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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In what phase of mitosis does DNA condense into visible chromosomes?
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Prophase
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Anaphase
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Telophase
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Metaphase
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Explanation:
Detailed explanation-1: -Prophase is the first phase of mitosis, the process that separates the duplicated genetic material carried in the nucleus of a parent cell into two identical daughter cells. During prophase, the complex of DNA and proteins contained in the nucleus, known as chromatin, condenses.
Detailed explanation-2: -During prophase, the chromosomes condense, the nucleolus disappears, and the nuclear envelope breaks down.
Detailed explanation-3: -Prophase is complex and is subdivided into five stages. During leptotene, chromosomes begin to condense to the point where they are easily visible. The chromosomes are represented by pairs, each with a single centromere and two sister chromatids.
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