Write the various conclusions and hereditary principles drawn by Mendel from a monohybrid cross.

Solution

Conclusions and hereditary principles derived from monohybrid cross are-:

1. Principle of paired factors.

2. Law of dominance. In a heterozygous individual only one allele is able to express its effect called dominant while the other remains hidden and is termed recessive.

3. Principle of purity of gametes. A gamete receives only one of the two

4. Principle of segregation. The two factors of a character keep their identity in an individual and do not blend. They segregate (separate) during gamete formation and are passed on to the offspring randomly after fertilization.

Some More Questions From Principles of Inheritance and Variation Chapter

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Principles Of Inheritance And Variation

Write the various conclusions and hereditary principles drawn by Mendel from a monohybrid cross.

Some More Questions From Principles of Inheritance and Variation Chapter

Name one trait that does not blend.

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 ?

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