BIOLOGY 283 Chapter Notes - Chapter 6.1: Euchromatin, Heterochromatin, Zygosity
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4 Dec 2018
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E in any genetic cross involving linked genes , no matter how complex , the two most frequent types of gametes with respect to any pair of genes are non recombinant ; These provide the linkage phase ca "s vs trans ) of the alleles of the genes in the multiply heterozygous parent . are chromosome interference. I crossing over in one region of a chromosome reduces the probability of a 2nd crossover in a nearby region ] on coefficient of coincidence. I the observed number of double - recombinant. The degree of interference depends on the distance between the genetic markers and on the species : genetic mapping functions. E mathematical relationship between the genetic distance across an interval in a. Map units and the observed frequency of recombination across the interval. In general , crossing over is much less frequent in regions of heterochromatin than in regions of euchromatin.