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Self-crossing of dwarf plants from F2 generation will produce _____

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in Biology – Class 12 by (271k points)
Self-crossing of dwarf plants from F2 generation will produce _____

(a) 100% tall and 0% dwarf plants

(b) 0% tall and 100% dwarf plants

(c) 50% tall and 50% dwarf plants

(d) 25% tall and 75% dwarf plants

I have been asked this question during an online interview.

Question is from Inheritance Principles in chapter Principles of Inheritance and Variation of Biology – Class 12

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The correct answer is (b) 0% tall and 100% dwarf plants

Easy explanation: The F2 dwarf plants are homozygous recessive. Therefore, the self-crossing will only produce dwarf plants as no copy of the dominant allele is present.

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