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Principles Of Inheritance And Variation

Question

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Which of the following is dominant character according to Mendel ?

Dwarf plant and yellow fruit

Terminal fruit and wrinkled seed

White testa and yellow pericarp

Green coloured fruit and rounded seed

Solution

D.

Green coloured fruit and rounded seed

Mendel studied seven pairs of contrasting characters.

Characters	Dominant trait	Recessive trait
Stem height	Tall	Dwarf
Flower colour	Violet	White
Flower position	Axial	Terminal
Pod shape	Inflated	Constricted
Pod colour	Green	Yellow
Seed shape	Round	Wrinkled
Seed colour	Yellow	Green.

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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