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8 Cards in this Set

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____________ are changes in the genetic material.
Mutations
___________ ________ are mutations that occur at a single point in the DNA sequence.
Point mutations
Point mutations can include:
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3
1. substitutions - one base changed for another
2. insertions - a base inserted
3. deletions- a base deleted in the sequence
Insertions and deletions are considered ______ ____ because they change the groupings for every codon.
frameshift mutations
____________ _______ involve changes in the number or structure of the chromosomes.
Chromosomal mutations
Name the four types of chromosomal mutations:
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4
1. deletion
2. duplication
3. inversion
4. translocation
What are some of the effects of mutation?
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1. dramatic changes in protein structure
2. genetic variability
3. cancer
Give an example of how beneficial mutation is used?
Plant and animal breeders often use mutations to produce stronger offspring.