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  4. In a monohybrid cross, 120 plants are obtained. The ratio of homozygous and heterozygous will be

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Q. In a monohybrid cross, 120 plants are obtained. The ratio of homozygous and heterozygous will be

NTA AbhyasNTA Abhyas 2020Principles of Inheritance and Variation

Solution:

Monohybrid ratio of homozygous and heterozygous individuals is 1:1.
Solution
Phenotypic Ratio = 3:1
Genotypic Ration = 1:2:1
1 = Homizygous Dominant
2 = Heterozygous
1 = Homozygous Recessive