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Which of the following most accurately e...

Which of the following most accurately explains cause of the abnormal numbers of chromosomes during human reproduction that can result in Down's syndrome, Turner's syndrome of Klinefelter's syndrome?

A

The duplicative production of extra chromosome during DNA replication.

B

The abnormal pairing of non-homologous chromosomes during prophase of meiosis I.

C

The selective loss of particular chromosomes form sex cells after formation of the mature gamete.

D

The occurrence of non-disjunction of homologous chromosomes during meiosis

Text Solution

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The correct Answer is:
D
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