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Question

F2 generation in a non-Mendelian Monohybrid cross showed that both genotypic and phenotypic ratios are same as 1 : 2 : 1, this is an example representing

A
Monohybrid cross with complete dominance
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B
Monohybrid cross with incomplete dominance
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C
Co-dominance
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D
Both B and C
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Solution

The correct option is D Both B and C
In incomplete dominance, the phenotype of hybrid is intermediate between the two parents as both the alleles express themselves partially like the colour pink is developed when the genotype is heterozygous for red and white. However, in codominance too, genotypic and phenotypic ratios are identical, which is 1:2:1 in F2 generation.
Example- Spotted-Dotted seeds of Lathyrus.
Thus, the correct answer is option D.

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