A snapdragon plant has red, pink, or white flowers, inherited in an incomplete dominance pattern. It can come in tall or dwarf (homozygous recessive) varieties. What is the ratio expected if you cross a pink tall (heterozygous) plant with a pink short
plant?
A) 2 red tall : 2 red short : 1 pink tall : 1 pink short : 1 white tall : 1 white short
B) 2 red tall : 1 red short : 1 pink tall : 1 pink short : 2 white tall : 1 white short
C) 3 red tall : 3 red short : 1 white tall : 1 white short
D) 1 red tall : 1 red short : 2 pink tall : 2 pink short : 1 white tall : 1 white short
E) 1 red tall : 1 red short : 1 pink tall : 1 pink short : 1 white tall : 1 white short
Answer: D
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