Exploring Mendelian Genetics. Independent Assortment To determine if the segregation of one pair of alleles affects the segregation of another pair of alleles, Mendel performed a two-factor, dihybrid cross.
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RRYY x rryy
RrYy × RrYy
The Punnett square predicts a 9 : 3 : 3 :1 ratio in the F2 generation.
four different alleles.
polygenic trait controlled
by more than four
What is independent assortment?
What are polygenic traits?
What is codominance?
What is incomplete dominance?