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genetics (Replication of DNA (doubles amount of dna., becomes less compact…
genetics
Replication of DNA
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becomes less compact, one strand of dna helix is cut(replicon).
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when dna uncoils it has a forked appearance(replication fork) 
Mutations
causes of mutations
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chemicals, radiation, insertion mutations are examples
transposon=insertion mutation
effects of mutations
depends on nature, position and extent
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DNA repair process
dna repair can't be perfect nor too inefective. if it was everyone would be the same; natural selection would not exist.
Monophybrid crosses
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multiple alleles
gene existing in many forms( X1,X2,X3 rather than Xx)
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dihybrid crosses
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crossing over
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