Mendel's Second Law

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Mendel's 2nd law states that during gamete formation the segregation of each gene pair is independent of other pairs. Mendel's 2nd law is often referred to as the principle of independent assortment. Both of Mendel's laws are about segregation, which is the seperation of allele pairs. The law states that the seperation of one pair of alleles isn't related to the sepearation of other pairs of alleles, and so is very important in Mendelian genetics. The only time there is an exception to this rule is when linkage is involved[1].


  1. Hartl D.L. and Ruvolo M. (2011) Genetics: Analysis of genes and genomes, page 91, 8th Edition, Published by Jones and Bartlett Learning
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