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Principles Of Inheritance And Variation

Question

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How many different types of gametes can be formed by F₁ progeny, resulting from the following cross
AA BB CC x aa bb cc

3

8

27

64

Solution

B.

8

Parent generation - AA BB CC x aa bb cc

F₁Generation - AaBbCc

Number of heterozygote is 3
Number of progenies in F₁ will be 2ⁿ or 2³= 8,

Some More Questions From Principles of Inheritance and Variation Chapter

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 ?

Define heterogamy. Give an example.

How many chromosomes are found in human cells ?

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