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