Biology, asked by monu167, 1 year ago

the trisomy of 21st chromosome causes

Answers

Answered by atulpatil77
2
Klinefelter's syndrome is the answer

princeaditya155: turner synodrome ki turner synodrome
atulpatil77: sorry for my mistake and thanks
atulpatil77: but please add this to brainliest
atulpatil77: it's a syndrome
chandankumarben: answer please
chandankumarben: hrlp me
Answered by sukant1
1
the trisomy of 21st chromosome causes
Down's syndrome... described by Langdon Down (1866)
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