is the crossing-over value . For fixed set of genetic and environmental conditions, recombination in a particular region of a linkage structure (chromosome) tends to be constant and the same is then ...

This crossing-over percentage is therefore a measure ... According to the trio, distances greater than 50 map units on a chromosome diagram were never "intended to represent observed crossover ...

A) In a normal meiosis, chromosomes align precisely at the recombination site and crossovers do not change the number of genes in the recombinant chromosomes. B) The presence of duplicated ...