rachael85 rachael85

12-12-2018
Chemistry

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down syndrome is caused by the presence of an extra copy of chromosome 21. how would a karyotype identify a person with down syndrome ?

a) ID physical characteristics of someone with the disease.

b) ID Chemical abnormalities in the blood

c) ID parents as being carriers Before they have children

d) ID presence of an extra copy of chromosome 21

Respuesta :

hendelalem69 hendelalem69

12-12-2018

The answer is d or b good luck

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