A tall plant with red flowers is crossed with a dwarf plant with white flowers. Which one of the following represents dwarf plant with white flowers?

TrRr

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TTrr

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ttrr

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ttRr

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Solution

The correct option is A ttrr
Tall is the dominant character in plants which is denoted by T and the dwarf is the recessive character which is denoted by t. The red flower is the dominant feature which is shown by R and white flower is the recessive character which is shown by r. So, the genotype of the tall plant with red flowers is TTRR or TtRr and the genotype of the dwarf plant with white flowers is ttrr.
Thus, the correct answer is option C.

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