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Unformatted text preview: Symmetric heteroduplex: formed from symmetric exchange of single DNA strand between duplexes Holliday Junction: crossed strand structure, can move down paired chromatics by branch migration Resolution: HJ cleaved to make 2 separate duplexes East west: noncrossover products (patch) North south: crossover products (splice) Mtchmatch repair restore original genotype or change genotype (A a) 3:1 and 1:3 conversion RecA protein: promotes pairing of 1x strand DNA with similar DNA sequences in vitro or in vivo, strand invasion D loop:when one end of invading strand displaces a strand with identical or nearly identical seq. ATP hydroloysis: promotes RecA dissociation from 1x strand after exchange...
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