Q: Do crossovers occur between *any* two chromatids?

rebekah rasooly YBRTBIO at STJOHNS.EDU
Fri Nov 3 10:05:57 EST 1995

yes, only two crossover in a single exchange tetrad.  hence
weinstein (1936, Genetics 21:155) wrote a paper relating the
frequency of observed crossovers to the frequency of exchange.
rebekah rasooly, st. john's university

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