If Red (RR) Is Crossed with White (Rr) and Produces

question 38

Multiple Choice

If red (RR) is crossed with white (rr) and produces a pink flower (Rr) , and tall (D) is dominant to dwarf (d) , the F₂ phenotypic ratio from a cross of RR dd with rr DD would be

• A)9:3:3:1.
• B)1:1:1:1.
• C)1:2:2:4:1:2:1:2:1.
• D)3:6:3:1:2:1.
• E)none of these.

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