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yaroslaw [1]
3 years ago
12

Down's syndrome is a condition where an extra chromosome is produced on the _____ chromosome.

Biology
2 answers:
AnnZ [28]3 years ago
4 0

Answer: On the Y chromosome

scoray [572]3 years ago
3 0

Answer: 21th

Explanation: Down syndrome a.k.a trisomy 21 because it’s caused by an extra copy of a chromosome 21.

Hope easy and helps! ^^

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