Biology, asked by ju2643320, 4 months ago

(4) डाउन सिन्ड्रोम का कारण किस गुणसूत्र की त्रिसूत्रता है -
(अवां (ब) 21वां (स) १वां (द) 23वां।

Answers

Answered by abhijeetbbanwari

4

Answer:

123456789 10 11 1

Explanation:

i li.........sori sori i

i

don't know

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