julianvera2289 julianvera2289

14-07-2021
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How does the karyotype of a person with Down
syndrome differ from a normal karyotype?
A It lacks a chromosome.
B It has two sex chromosomes.
C It occurs in XO individuals.
D It has an extra copy of a chromosome.

Respuesta :

ydvay5884 ydvay5884

14-07-2021

Answer:

B It has two sex chromosomes

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