CELL STRUCTURES AND FUNCTION
CELL DIVISION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following involves a “swapping “ of DNA between homologous chromosomes?
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Independent Assortment
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Crossing Over
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Mitosis
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Cytokinesis
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Explanation:
Detailed explanation-1: -Crossing Over Crossing over, as related to genetics and genomics, refers to the exchange of DNA between paired homologous chromosomes (one from each parent) that occurs during the development of egg and sperm cells (meiosis).
Detailed explanation-2: -Explanation: The crossing over of homologous chromosomes occurs in prophase I of meiosis. Prophase I of meiosis is characterized by the lining up of homologous chromosomes close together to form a structure known as a tetrad.
Detailed explanation-3: -Recombination is the exchange of genetic material between homologous chromosomes.
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