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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 plantsI 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

Answer»

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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