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Ch 16 Mechanisms Of Genetic Variations

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Total cards: 13•Content version: v3•Public deck•Updated: 8/1/2026

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#1
Front (Question)

Point mutations

Back (Answer)

Change in a single base

#2
Front (Question)

Spontaneous mutations

Back (Answer)

Arise in cells in absence of stimuli

#3
Front (Question)

Induced mutations

Back (Answer)

Caused by exposure to a mutagen

#4
Front (Question)

Mutagen

Back (Answer)

Chemical or physical agent that causes mutations

#5
Front (Question)

Intercalating agents

Back (Answer)

Molecules that insert between stacked bases of DNA helix——> distorts the DNA & induces frameshift mutations

#6
Front (Question)

Wild type

Back (Answer)

More prevalent form of a gene

#7
Front (Question)

Forward mutation

Back (Answer)

Change from wild to mutant form

#8
Front (Question)

Neutral mutations

Back (Answer)

Missense mutation that does not affect the function of the protein

#9
Front (Question)

Missense mutation

Back (Answer)

Single base subs in DNA that changes a codon for an AA to another AA

#10
Front (Question)

Silent mutations

Back (Answer)

Change in base but does not change the proteins or phenotype

#11
Front (Question)

Nonsense mutations

Back (Answer)

Convert sense codon to a nonsense codon (stop codon)

#12
Front (Question)

Frameshift mutations

Back (Answer)

Arise from the loss or gain of base or segment that changes in the codon reading frame which changes the AA incorporated into protein

#13
Front (Question)

Replica plating

Back (Answer)

Technique for isolating mutants by transferring cells from an agar plate with nonselective medium w/ velvet and then onto plates with selective media