If someone has an extra chromosome, that makes them have down syndrome, what happens is you have even more chromosomes? who knows?

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If someone has an extra chromosome, that makes them have down syndrome, what happens is you have even more chromosomes? who knows?

Science & Mathematics by Anonymous 2018-06-20 22:02:19

Social Science

If someone has an extra chromosome, that makes them have down syndrome, what happens is you have even more chromosomes? who knows?

1 answer

Anonymous

Downs syndrome is causes by and extra copy of the 21st chromosome. Extra copies of the first seven chromosomes means death. Other types of abnormalities can occur with different chromosomes.