mutations Flashcards

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1
Q

mutations are

A

heritable changes in base sequences that modify the information content of DNA

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2
Q

synonymous or silent

A

does not have an effect on the primary structure of the protein/peptide

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3
Q

non-synonymous

A

change in amino acid sequence, Either radical or conservation

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4
Q

Deleterious

A

has a negative effect on the fitness of the organism

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5
Q

spontaneous

A

mistakes during replication

exposed to radiation, ultraviolet light, hydrolysis and oxidation

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6
Q

base analog mutagens

A

Fuck up all the tyrosines so that only guanine can pair with them. Thus all A replaced with G.

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7
Q

Hydroxilating

A

Add OH to cytosine so only adenine can pair. Thus A->G

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8
Q

Akylating

A

G is ethylated, binds with T, next split has A’s instead of G’s
G->A

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9
Q

Deaminating

A

remove NH2 from adenine
remove NH2 from cytosine changing it to uracil
u binds with a so A->T
c binds with deanimated a so T->C

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10
Q

Intercalatin

A

I think Indel just swaps whatever it wants

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11
Q

Human mutation rate

A

2-3 10-8/generation)

200-300 an individual

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12
Q

types of mutations transmitted to progeny

A

Germinal

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