Autosomal aneuploidies in man Flashcards by Ragavi Aravindan | Brainscape

Q

Down Sundrome

A

trisomy 21 (47XX + 21 or 47 XY + 21)

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Q

Patau syndrome

A

trisomy 13

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Q

Edwards syndrome

A

trisomy 18

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Q

Where does trisomy 21 come from?

A

Mothers egg

error in oogensis: maternal non-disjunction in meiosis I

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