Usage examples (4)

• Mendel's dihybrid crosses test the hypothesis that a. the heredity material for a single trait has 4 alleles
• Recall that unlinked mutations will segregate independently (your basic dihybrid inheritance as first observed by Gregor Mendel) whereas linked mutations will not.
• Genetics Question: If the Phenotypic Ratio for the cross betweeen two dihybrid organisms for the F2 generation? is 9: 3: 3: 1, what are the genotypes of the parents?
• However, Chi square tests for linkage are performed from a test cross (1: 1: 1: 1) rather than ratios from the dihybrid cross (9: 3: 3: 1 ratio) we did, so we can't use...