Principle Of Inheritance And Variation Question 114
Question: The phenotypic ratio obtained in quantitative inheritance of a dihybrid cross is [DPMT 2004]
Options:
A) 1 : 2 : 1
B) 1 : 4 : 6 : 4 : 1
C) 1 : 6 : 15 20 : 15 : 6 : 1
D) 9 : 3 : 3 : 1
Show Answer
Answer:
Correct Answer: B
Solution:
Ratio 1 : 4 : 6 : 4 : 1 it is due to two pairs of genes.
But if it is due to 3 pairs of genes, the size ratio shall be 1 : 6 : 15 : 20 : 15 : 6 : 1.
BETA
