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The undifferentiated cell of an animal has 64 chromatids in a metaphase . How many chromosomes will be present in the gametes if that animal
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Answer is option A i.e. "16"
Metaphase is the third stage of mitosis. Single chromosome constitutes of 2 chromatids which are attached to each other by 1 centromere. Hence, 1 homologous chromosome pair has 4 chromatids. As chromosomes in animals are paired, as they are diploid and contains two sets of chromosomes, so formula becomes:
Chromosomes in gametes = No. of chromatids in a metaphase/4 = 64/4 = 16.
Metaphase is the third stage of mitosis. Single chromosome constitutes of 2 chromatids which are attached to each other by 1 centromere. Hence, 1 homologous chromosome pair has 4 chromatids. As chromosomes in animals are paired, as they are diploid and contains two sets of chromosomes, so formula becomes:
Chromosomes in gametes = No. of chromatids in a metaphase/4 = 64/4 = 16.
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| Question Text | The undifferentiated cell of an animal has 64 chromatids in a metaphase . How many chromosomes will be present in the gametes if that animal |
| Answer Type | Text solution:1 |
| Upvotes | 150 |
