10.4 Flashcards by Caitlyn Parker

Q

nondisjunction

A

chromosomes don’t separate properly

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Q

trisomy

A

extra copy of a chromosome

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Q

monosomy

A

missing copy of a chromosome

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Q

autosomes

A

chromosomes that don’t determine sex

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Q

sex chromosomes

A

chromosomes that determine sex

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Q

barr body

A

a condensed and deactivated x chromosome

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Q

deletion

A

a piece of a chromosome is deleted

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Q

duplication

A

a piece of a chromosome is duplicated

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Q

inversion

A

a piece of a chromosome is reversed

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Q

translocation

A

a piece of a chromosome is switched with a piece from a different chromosome

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Q

what determines whether you’re female or male

A

XY sex chromosomes - male
XX - female

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Q

how many barr bodies are created if XXX

A

2

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