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Heterozygous tall plants were crossed with pure-breeding dwarf plants of the same ...

Heterozygous tall plants were crossed with pure-breeding dwarf plants of the same species. What were the approximate percentages of the offspring?
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  • A 100% tall 0% dwarf
  • B 75% tall 25% dwarf
  • C 50% tall 50% dwarf
  • D 25% tall 75% dwarf
Correct Answer: Option B
Explanation:
A heterozygous tall plant (say Tt) crossed with itself will give a set of TT, tT, Tt and tt. This is 75% tall and 25% dwarf approximately.

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