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Q 1317445380.     An abnormal male child is born to normal parents. This child shows a short neck, stubby hands, slanting eyes, permanently open mouth with projection upper lip and short stature. This abnormality can be attributed to
A

An extra chromosome in the 21st pair of autosomes

B

An extra X chromosome

C

Absence of X chromosome leading to a total of 45 chromosomes instead of the normal 46.

D

An extra Y chromosome

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Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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