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Principles Of Inheritance And Variation

Question

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Which one of the following symbols and its representation, used in human pedigree analysis is correct?

= Mating between relatives
= unaffected male

= Unaffected female

= Male affected

Solution

A.

= Mating between relatives

= Mating between relatives

= unaffected female

= Unaffected male

= Unspecified Sex

Some More Questions From Principles of Inheritance and Variation Chapter

What is Mendel’s monohybrid phenotypic ratio ?

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 ?

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