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प्रश्न
State whether the following statement is true or false.
In Drosophila, crossing over occurs only in females.
सत्य या असत्य
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उत्तर
This statement is true.
Explanation:
In Drosophila, crossing over, which is the exchange of genetic material between homologous chromosomes, occurs exclusively during female meiosis. Male Drosophila do not exhibit crossing over during meiosis, so genetic recombination through crossing over happens only in females. This distinction is significant in genetic studies involving Drosophila inheritance patterns.
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