The proportion of plants that were dwarf and tall in F₂- generation of Mendel's experiment was

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Important Questions on Principles of Inheritance and Variation

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12th ICSE

IMPORTANT

ISC Biology Class XII>Chapter 5 - Principles of Inheritance and Variation>Chapter Practice>Q 8

Mendel performed test cross to know the

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12th ICSE

IMPORTANT

ISC Biology Class XII>Chapter 5 - Principles of Inheritance and Variation>Chapter Practice>Q 9

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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12th ICSE

IMPORTANT

ISC Biology Class XII>Chapter 5 - Principles of Inheritance and Variation>Chapter Practice>Q 10

Incomplete dominance is different from complete dominance in having similar

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12th ICSE

IMPORTANT

ISC Biology Class XII>Chapter 5 - Principles of Inheritance and Variation>Chapter Practice>Q 11

The ABO blood groups are controlled by

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12th ICSE

IMPORTANT

ISC Biology Class XII>Chapter 5 - Principles of Inheritance and Variation>Chapter Practice>Q 12

The plasma membrane of the red blood cells has... A.... polymers that protrude from its surface and the kind of sugar is controlled by the gene. The gene I have three alleles .......B........I^A And I^B Produce a slightly different form of the sugars, while allele I do not produce any ....C.......

Choose the correct option for A, B and C.

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12th ICSE

IMPORTANT

ISC Biology Class XII>Chapter 5 - Principles of Inheritance and Variation>Chapter Practice>Q 13

Who argued that pairing and separation of chromosomes would lead to the segregation of a pair of factors they carried?

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12th ICSE

IMPORTANT

ISC Biology Class XII>Chapter 5 - Principles of Inheritance and Variation>Chapter Practice>Q 14

Linked genes present on

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