Question
Biology Question on Principles of Inheritance and Variation
In a typical Mendelian cross which is a dihybrid cross, one parent is homozygous for both dominant traits and another parent is homozygous for both recessive traits. In the f2 generation, both parental combinations and recombinations appear. The phenotypic ratio of parental combinations to recombinations is ..................
A
10:06
B
9:07
C
12:04
D
15:01
Answer
10:06
Explanation
Solution
In 9 : 3 : 3 : 1 ratio, (9 + 1) 10 are parental and (3 + 3) 6 are recombinants.