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Principles Of Inheritance And Variation

Question
CBSEENBI12002727
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Inheritance of skin colour in humans is an example of

  • chromosomal aberration

  • point mutation

  • polygenic inheritance

  • codominance

Solution

C.

polygenic inheritance

Inheritance of skin colour in humans is the result of polygenic inheritance or multiple factor inheritance. The inheritance of human skin colour was studied by C.B. Davenport in 1913.

Some More Questions From Principles of Inheritance and Variation Chapter

Write down Mendel’s dihybrid Phenotypic ratio 

Who were the rediscoverers of Mendelism ?

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

What is the unique feature of F1 generation ?

What will be the genetic make up of an organism which suffers from sickle cell anaemia ?

What do the symbols square and circle in a pedigree chart indicate ?

Define heterogamy. Give an example.

How many chromosomes are found in human cells ?

Why is male Drosophila regarded as heterogametic ?

What term is used for the two chromatids resulting from the interchange of segments during crossing over ?

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