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Principles Of Inheritance And Variation

Question
CBSEENBI12047526
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Who formulated the chromosomal theory of linkage

  • T H Morgan and W Castle

  • Stern and Hotta

  • Pontecarvo

  • Bridges and Burns

Solution

A.

T H Morgan and W Castle

Morgan along with Castle formulated the chromosome theory of linkage. According to this theory the gene shows the phenomenon of linkage situated on the same chromosome and the closely related genes shows strong linkage while distant gene show weak linkage.

Some More Questions From Principles of Inheritance and Variation Chapter

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Write down Mendel’s dihybrid Phenotypic ratio 

Who were the rediscoverers of Mendelism ?

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

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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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