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Principles Of Inheritance And Variation

Question
CBSEENBI12002435
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Alleles are 

  • different phenotype

  • true breeding homozygotes

  • different molecular forms of a gene

  • heterozygotes

Solution

C.

different molecular forms of a gene

Alleles are different molecular forms of a gene, representing alternate forms of a given character. 
Height of a pea plant-T for tallness and t for dwarfness.
T and t are alternate forms for given character of height. 
Heterozygotes and homozygotes refers to inheritance of two different and similar travels for a character respectively. 

Some More Questions From Principles of Inheritance and Variation Chapter

Write the genotypes of man with blood group A.

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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 ?

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 ?

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