9.5 Flashcards

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1
Q

What’s the difference between inversion and translocation?

A

inversion is within the chromosome and translocation is through multiple

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2
Q

what’s deletion?

A

a missing gene or two

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3
Q

Whats a trisomy and monosomy

A

a group of three chromosomes and a singular chromosome caused by nondisjunction

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4
Q

what does nondisjunction mean

A

when chromosomes don’t separate properly

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5
Q

Whats the difference of nondisjunction in meiosis I vs meiosis II

A

meiosis I is with homologous chromosomes and meiosis II is with sister chromatids

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6
Q

What’s the result of nondisjunction in meiosis I only?

A

two chromosomes that are n+1 and two that are n-1

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7
Q

why can nondisjunction in meiosis II be better?

A

one pair can still proceed normally rather than zero

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