Question

N a cross between two heterozygous individuals (eg. Rr X Rr), the expected phenotypic ratio of the offspring would be

A)1:2:2:1.


B)1:2:1.
C)1:1.
D)3:1.

Answer 1

The answer is: [B]: " 1:2:1 " .
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That is: "1 RR, 2 Rr, 1 rr " . Refer to the "Punnett square" below:
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| R | r
R | RR | Rr
r | Rr | rr

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Answer 2

1 RR, 2 Rr, 1 rr

Answer is B