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Principles Of Inheritance And Variation

Question
CBSEENBI12047353
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Which Mendelian idea is depicted by a cross in which the F1 generation resembles both the parents?

  • Incomplete dominance

  • Law of dominance

  • Inheritance of one gene

  • Codominance

Solution

D.

Codominance

In codominance, both alleles of a pair express themselves fully in F1 hybrid, so, it resembles both the parents.

In incomplete dominance, the two genes of allelomorphic pair are not related as dominant or recessive, but each of them express itself partially.

Law of dominance states that when a cross is made between two homozygous individuals considering contrasting trait of simple character then the trait appear in F1 hybrids is called dominant inheritance of one gene is based on crossing between single traits.

Some More Questions From Principles of Inheritance and Variation Chapter

Mention the phenomenon of pleiotropy by giving an example.

Name the plant that shows incomplete dominance in respect of the colour of its flower.

Write the genotypes of man with blood group A.

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 ?

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