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What filial generation exhibits a genotypic ratio of 1:2:1?(a) F0(b) F1(c) F2(d) F3This question was addressed to me in homework.The origin of the question is Inheritance Principles topic in division Principles of Inheritance and Variation of Biology – Class 12

Answer»

Right choice is (b) F1

The BEST explanation: The genotypic ratio refers to the ratio of different GENOTYPES observed in a population. In the F2 generation of a MENDELIAN cross, the proportion of homozygous dominant: HETEROZYGOUS: homozygous recessive is 1:2:1.



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