MEDIUM
12th CBSE
IMPORTANT
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In the F2 generation of a Mendelian dihybrid cross, the number of phenotypes and genotypes are

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Important Questions on Principles of Inheritance and Variation

MEDIUM
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 5 - Principles of Inheritance and Variation>SELF-ASSESSMENT TEST>Q 1
Mother and father of a person with ‘0’ blood group have 'A' and 'B' blood groups, respectively. What would be the genotype of both mother and father?
EASY
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 5 - Principles of Inheritance and Variation>SELF-ASSESSMENT TEST>Q 1
Segregation of hereditary factors occurs in plants during the process of
MEDIUM
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 5 - Principles of Inheritance and Variation>SELF-ASSESSMENT TEST>Q 1
The process of removing stamens from the flower bud during hybridisation is called
MEDIUM
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 5 - Principles of Inheritance and Variation>SELF-ASSESSMENT TEST>Q 3
Write the chromosomal defect in individuals affected with Klinefelter’s syndrome.
MEDIUM
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 5 - Principles of Inheritance and Variation>SELF-ASSESSMENT TEST>Q 4
What is the karyotype of Turner’s syndrome?
MEDIUM
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 5 - Principles of Inheritance and Variation>SELF-ASSESSMENT TEST>Q 5
A pea plant homozygous for axial flowers and constricted pods is crossed with the pea plant homozygous for terminal flowers having inflated pods. Work out the cross up to F1 generation. Show the genotypes of the parents and phenotype and genotype of the progeny.
 
MEDIUM
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 5 - Principles of Inheritance and Variation>SELF-ASSESSMENT TEST>Q 6
Colour blindness in humans is a sex-linked trait. Explain with the help of a cross.
MEDIUM
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 5 - Principles of Inheritance and Variation>SELF-ASSESSMENT TEST>Q 7
How can you say that the sex of a child is determined by the father and not by the mother?