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Home > NCERT Solutions > Uttarakhand Board > Class 12 > Biology > Biology > Chapter 5 Principles Of Inheritance And Variation

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TextBook Solutions for Uttarakhand Board Class 12 Biology Chapter 5 Principles Of Inheritance And Variation

Question 1

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Name one trait that does not blend.

Solution

Sex trait .

Question 2

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Give one example of genetic trait for each of the following in humans : (i) Lethality (ii) Multiple allelism.

Easy

Question 3

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What for symbols AA and Aa stand ?

Easy

Question 4

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Mention the phenomenon of pleiotropy by giving an example.

Easy

Question 5

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Name the plant that shows incomplete dominance in respect of the colour of its flower.

Easy

Question 6

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Write the genotypes of man with blood group A.

Easy

Question 7

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What is Mendel’s monohybrid phenotypic ratio ?

Easy

Question 8

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Write down Mendel’s dihybrid Phenotypic ratio

Easy

Question 9

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Who were the rediscoverers of Mendelism ?

Easy

Question 10

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What are the real determinants of what an organism will become ?

Easy

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