In Mendelian monohybrid cross, phenotypic ratio in F2 is 3:1 . How many types of gametes are formed in F1- generation?

Question

In Mendelian monohybrid cross, phenotypic ratio in F2 is 3:1 . How many types of gametes are formed in F1- generation? (A) Two types (B) Four types (C) Eight types (D) Only one types

Tardigrade Admin · Accepted Answer

RrRRRRrrRrrr ∴ Red: white 3:1

Q. In Mendelian monohybrid cross, phenotypic ratio in $F_{2}$ is $3 : 1$ . How many types of gametes are formed in $F_{1} -$ generation?

Two types

Four types

Eight types

Only one types

R
r
R
RR
Rr
r
Rr
rr
$∴$ Red : white $3 : 1$

Q. In Mendelian monohybrid cross, phenotypic ratio in F2​ is 3:1 . How many types of gametes are formed in F1​− generation?