Mendel published his work on inheritance of characters in 1865, but it remained unrecognized till 1900. Give three reasons for the delay in accepting his work.

Solution

The following are the three reasons that led to the delay in accepting Mendel's work:

i) Lack of communication and publicity.

ii) His concept of factors (genes) as discrete units that did not blend with each other was not accepted in the light of variations occurring continuously in nature.

iii) Mendel's approach to explain biological phenomenon with the help of mathematics was also not accepted

Some More Questions From Principles of Inheritance and Variation Chapter

Give one example of genetic trait for each of the following in humans : (i) Lethality (ii) Multiple allelism.

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Principles Of Inheritance And Variation

Mendel published his work on inheritance of characters in 1865, but it remained unrecognized till 1900. Give three reasons for the delay in accepting his work.

Some More Questions From Principles of Inheritance and Variation Chapter

Give one example of genetic trait for each of the following in humans : (i) Lethality (ii) Multiple allelism.

What for symbols AA and Aa stand ?

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 ?

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