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Genetics (Mutations mutations botany (mutagen= something that causes…
Genetics
Mutations 
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point mutation=the smallest mutation (affecting the least amount of DNA)=a single base is converted to another base
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inversion=piece of DNA becomes tangled & breaks, when repaired it's put in backward
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effects of mutations
depend on their nature, position, and extent
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a mutation in an exon may cause the gene to code for a protein whose active site is disrupted & the protein cannot function
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Monohybrid Crosses
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multiple alleles
each gene can have many alleles and can be made up of hundreds of nucleotides, making the alleles different
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mechanisms
recognize base mismatches, loops, or other problems
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repair mechanisms cannot be perfect-if they were every cell nuclei would be identical-thus no genetic variation :star:
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