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Question 31

From Biology HL Paper 1A (May 2025, TZ2)

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  1. Pink flowers arise from the incomplete dominance between red and white flowers in the four o’clock flower (Mirabilis jalapa). A pink-flowering variety is crossed with a white-flowering variety.
Photo of a flower, likely Mirabilis jalapa, as described in Question 31.
Photo of a flower, likely Mirabilis jalapa, as described in Question 31.

What could be the possible phenotypes of the offspring?

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