Multiple Crossovers can involve more than two chromatids - Study

Tetrad analysis can also show two other important features of crossing-over. First, in one meiocyte several crossovers can occur along a chromosome pair. Second, in any one meiocyte these multiple crossovers can involve more than two chromatids. To think about this issue, we need to look at the simplest case: double crossovers. To study double crossovers, we need three linked genes.For example,in a cross such as ABC      x       abc many different tetrad types are possible, but some types are useful in the present connection because they can be accounted for only by double crossovers involving more

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SOLVED: C6. A crossover has occurred in the bivalent shown here. CII. When true were crossed (bbTT), all of the offspring are Fi. C12. Though we often produce (e.g., function of most

Multiple Crossing Over, PDF, Genetic Linkage