Inheritance of skin colour in human beings is an example of:

Important Questions on Principles of Inheritance and Variation

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Beta Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>EXERCISE-III (Analytical Questions)>Q 2

Polygenic genes show:

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Beta Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>EXERCISE-III (Analytical Questions)>Q 3

In tomato, genotype $\mathrm{aabbcc}$ produces $100\mathrm{g}$ tomatoes and $\mathrm{AABBCC}$ produces $160\mathrm{g}$ tomatoes. What is contribution of each polygene in the production of tomatoes?

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Beta Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>EXERCISE-III (Analytical Questions)>Q 4

A polygenic trait is controlled by 3 genes A, B and C. In a cross $\mathrm{AaBbCc} \times \mathrm{AaBbCc}$, the phenotypic ratio of the offsprings was observed as : $1: 6: \times : 20: \times : 6: 1$. What is the possible value of X?

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Beta Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>EXERCISE-III (Analytical Questions)>Q 5

What is the inheritance of colour blindness of both parents having a normal vision but mother has a recessive gene for colour blindness?

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Beta Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>EXERCISE-III (Analytical Questions)>Q 6

What would be the nature of children if a colour blind woman marries a normal man :-

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Beta Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>EXERCISE-III (Analytical Questions)>Q 7

A colour-blind man marries a normal lady whose father was colour blind. If it produces two sons & two daughters, how many of them would suffer?

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Beta Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>EXERCISE-III (Analytical Questions)>Q 8

A colour blind daughter is born when:

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Beta Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>EXERCISE-III (Analytical Questions)>Q 9

Which of the following is not a sex linked characters: