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Topic Four Flashcards

(16 cards)

1
Q

Mutation

A

Changes in the DNA sequence that may affect the resulting polypeptide

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2
Q

Gene mutation

A

A Change is the order of a,t,c,g

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3
Q

Point mutation

A

Caused by a substitution in one letter to another letter

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4
Q

Silent mutation

A

DNA change results in an mRNA codon hat codes for the same amino acid

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5
Q

Missence mutation

A

DNA change in results in an mRNA codon that codes for a different amino acid

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6
Q

Nonsense mutation

A

DNA change results in an mRNA ‘“stop” codon

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7
Q

Frameshift mutation

A

A mutation caused caused by an insertion or deletion of bases in the DNA sequence, thus causing a change in DNA triplets for the rest of the sequence, making different RNA condons, and the rest of the polypeptide I different .

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8
Q

Insertion

A

Adding

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9
Q

Deletion

A

Taking away

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10
Q

Chromosomal mutation

A

Mutations that affect large chunks of a chromosome

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11
Q

Duplication

A

When dna is taken out and doubled

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12
Q

Inversion

A

When a large section is flipped

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13
Q

Insertion

A

When a piece of dna is taken out and put somewhere else

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14
Q

Translocation

A

Two chunks of dna switch locations

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15
Q

Mutagens

A

Chemicals and radiation that cause dna mutation

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16
Q

Carcinogens

A

Cancer causing mutagens