When a single gene produces two effects and one of it is lethal, then the ratio is ……………….
A. 2 : 1
B. 1 : 1
C. 1 : 2 : 1
D. 1 : 1 : 1 : 1
Answer:A
When a single gene produces two effects and one of it is lethal, then the ratio is ……………….
A. 2 : 1 B. 1 : 1 C. 1 : 2 : 1 D. 1 : 1 : 1 : 1