If pure tall plant is crossed with a pure dwarf plant the offspring will be

All tall

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All dwarf

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3 tall 1 dwarf

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50 %

tall and

50 %

dwarf

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Solution

The correct option is A All tall
If a pure tall plant is crossed with a dwarf plant, the offsprings produced in the $F_{1}$ generation are all tall plants. This occurs in Mendel's monohybrid cross, where one factor is dominant over the other. Hence, in heterozygous condition only one is expressed, here, it is tallness.
So, the correct answer is 'all tall'

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