polancomarina polancomarina

15-08-2017
Biology

contestada

People with Down syndrome usually have ______ of the 21st chromosome.

monosomy

diploidy

haploidy

trisomy

Respuesta :

prisenriquezc prisenriquezc

15-08-2017

It is caused by a trisomy in the 21st chromosome

Answer Link

svinton2 svinton2

15-08-2017

People with Down syndrome usually have trisomy of the 21st chromosome.

Answer Link

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