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Phenotype and Genotype

If the ratio ...

Question

If the ratio of each phenotype of the seeds of pea plants in the F₂ generation is 9 : 3 : 3 : 1, it is known as :
(a) tetrahybrid ratio
(b) monohybrid ratio
(c) dihybrid ratio
(d) trihybrid ratio

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Solution

(c) dihybrid ratio
The ratio 9: 3: 3: 1 is known as the dihybrid ratio.

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Q. Which combination of statements is correct?
i. Mendel called as factors.
ii. Mendel is known as the father of genetics.
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iv. Mendel's experiment with monohybrid cross led to the formulation of the law of segregation.
v. The ratio of each phenotype of the seeds in F_2 generation in Mendel's dihybrid cross experiment was

9 : 3 : 3 : 1.

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