Question
Biology Question on Principles of Inheritance and Variation
In the F2 generation of a Mendelian dihybrid cross the number of phenotypes and genotypes are
A
phenotypes-4; genotypes-16
B
phenotypes-9; genotypes-4
C
phenotypes-4; genotypes-8
D
phenotypes-4; genotypes-9
Answer
phenotypes-4; genotypes-9
Explanation
Solution
Mendel performed crosses involving two characters called as dihybrid cross. Results of the dihybrid cross where the two parents different in two pairs of contrasting traits i.e. seed colour and seed shape are as follows undefined
Genotypic ratio −