What gene or chromosome is affected by down syndrome.

asked Mar 18, 2023 81.4k views

2 votes

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8 votes

Answer:

Chromosome 21

Step-by-step explanation:

Babies with Down syndrome have an extra copy of one of these chromosomes, chromosome 21

NCrazed answered Mar 20, 2023

4.8k points

9 votes

Chromosome 21!

Enjoy!

Pritam Kar answered Mar 25, 2023

6.2k points

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