The phenotypic ratio of ${\mathrm{F}}_2$ progeny in a dihybrid cross is

Important Questions on Principles of Inheritance and Variation

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IMPORTANT

Achieve CUET (UG) Biology Practice Book>Chapter 5 - Principles of Inheritance and Variation>Exercise>Q 27

Mother is homozygous B, and father is A. What will be the possible blood group is their progeny?

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Achieve CUET (UG) Biology Practice Book>Chapter 5 - Principles of Inheritance and Variation>Exercise>Q 28

Which of the following conditions is related for haemophilia?

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Achieve CUET (UG) Biology Practice Book>Chapter 5 - Principles of Inheritance and Variation>Exercise>Q 29

Which one of the following cannot be explained on the basis of Mendel's law dominance?

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Achieve CUET (UG) Biology Practice Book>Chapter 5 - Principles of Inheritance and Variation>Exercise>Q 30

Find out the genotype and phenotype of F₁— Generation (R= dominant and red, r =recessive and white) from the given cross in plant snapdragon showing incomplete dominance.

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Achieve CUET (UG) Biology Practice Book>Chapter 5 - Principles of Inheritance and Variation>Exercise>Q 31

F₂ generation is produced by

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Achieve CUET (UG) Biology Practice Book>Chapter 5 - Principles of Inheritance and Variation>Exercise>Q 32

Dihybrid ratio is defined as

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Achieve CUET (UG) Biology Practice Book>Chapter 5 - Principles of Inheritance and Variation>Exercise>Q 33

Out of the four phenotypes obtained in F₂ generation of dihybrid cross between yellow round and green wrinkled seeds of pea plant

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IMPORTANT

Achieve CUET (UG) Biology Practice Book>Chapter 5 - Principles of Inheritance and Variation>Exercise>Q 34

When a single gene produces two effects and one of it is lethal, then the ratio is