78,982 views
31 votes
31 votes
What gene or chromosome is affected by down syndrome.

User Mcestone
by
2.6k points

2 Answers

23 votes
23 votes

Answer:

Chromosome 21

Step-by-step explanation:

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

User Raul Guarini Riva
by
3.2k points
13 votes
13 votes

Chromosome 21!

Enjoy!

User Jerry Saravia
by
2.4k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.