Principle Of Inheritance And Variation Question 243
Question: From a cross Aa BB × aa BB, following genotypic ratio will be obtained in $ F_1 $ generation [CBSE PMT 1990]
Options:
A) 1 Aa BB : 1 aa BB
B) 1 Aa BB : 3 aa BB
C) 3 Aa BB : 1 aa BB
D) All Aa BB : No aa BB
Show Answer
Answer:
Correct Answer: A
Solution:
AaBB × aaBB Gametes for F1 = AB, aB and aB, aB After crossing = AaBB, aaBB Ratio = 1 : 1
BETA
