EMBRYOLOGY
CHROMOSOMES AND CELL DIVISIONS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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If a body cell started out with 28 chromosomes, how many chromosomes would be in each new body cell after it divides?
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2
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7
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14
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28
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Explanation:
Detailed explanation-1: -At the end of mitosis, the two daughter cells will be exact copies of the original cell. Each daughter cell will have 30 chromosomes.
Detailed explanation-2: -During meiosis I, a cell having 28 chromosomes forms two daughter cells having 14 chromosomes each. These cells enter meiosis II and divide. This results in four daughter cells, each having 14 chromosomes.
Detailed explanation-3: -If a diploid cell containing 28 chromosomes undergoes meiosis, how many chromosomes will each daughter cell have? EXPLAIN. Each daughter cell will have 14 chromosomes. Meiosis results in haploid gametes, meaning each gamete will have half the original number of chromosomes as the diploid parent cell.
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