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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.
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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.

User Sven Kannenberg
by
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1 Answer

2 votes

Answer:

B It has two sex chromosomes

User Ymin Hu
by
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