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कथन (A): मानव में संतान के लिंग निर्धारण (Sex Determination) में स्त्रियों की प्रमुख भूमिका होती है। कारण (R): स्त्रियों में दो `X’ गुणसूत्र (Chromosomes) होते हैं।कूट:

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कथन (A): मानव में संतान के लिंग निर्धारण (Sex Determination) में स्त्रियों की प्रमुख भूमिका होती है। कारण (R): स्त्रियों में दो `X’ गुणसूत्र (Chromosomes) होते हैं।<br />कूट:






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