1.

From a cross Aa BB × aa BB, following genotypic ratio will be obtained in \[{{F}_{1}}\] generation [CBSE PMT 1990]

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
Answer» B. 1 Aa BB : 3 aa BB


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