Which of the following represents Klinefelter's syndrome?

XX

XO

XY

XXY

Solution

XXY

Klinefelter's syndrome is a chromosomal abnormality due to which an individual has two X-chromosomes and one Y-chromosome ie, XXY. Such persons are sterile male and may exhibit secondary female characters. They also have underdeveloped genitalia, sparse body hair and exhibit some degree of breast development. They possess 47 chromosomes instead of normal 46 chromosomes. The interphase nuclei of their cells possess one barr body.

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Principles Of Inheritance And Variation

Which of the following represents Klinefelter's syndrome?

XX

XO

XY

XXY

Some More Questions From Principles of Inheritance and Variation Chapter

What for symbols AA and Aa stand ?

Mention the phenomenon of pleiotropy by giving an example.

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Write the genotypes of man with blood group A.

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For Daily Free Study Material Join wiredfaculty

Principles Of Inheritance And Variation

Which of the following represents Klinefelter's syndrome? XX XO XY XXY

Some More Questions From Principles of Inheritance and Variation Chapter

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 ?

What will be the genetic make up of an organism which suffers from sickle cell anaemia ?

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

Which of the following represents Klinefelter's syndrome?

XX

XO

XY

XXY