Question

Which has an additional X-chromosome?

Turner’s syndrome

Klinefelter’s syndrome

Super female

Down’s syndrome

Solution

Down’s syndrome

Klinefelter's syndrome is caused by one or more extra X-chromosome ( i.e., XXY, XXXY). The man with such a syndrome is sterile, has small testes, long legs and feminine characters like breasts.

Some More Questions From Principles of Inheritance and Variation Chapter

Mention the phenomenon of pleiotropy by giving an example.

Name the plant that shows incomplete dominance in respect of the colour of its flower.

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Principles Of Inheritance And Variation

Which has an additional X-chromosome?

Turner’s syndrome

Klinefelter’s syndrome

Super female

Down’s syndrome

Some More Questions From Principles of Inheritance and Variation Chapter

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 ?

What do the symbols square and circle in a pedigree chart indicate ?

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

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For Daily Free Study Material Join wiredfaculty

Principles Of Inheritance And Variation

Which has an additional X-chromosome? Turner’s syndrome Klinefelter’s syndrome Super female Down’s syndrome

Some More Questions From Principles of Inheritance and Variation Chapter

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 ?

What do the symbols square and circle in a pedigree chart indicate ?

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

Which has an additional X-chromosome?

Turner’s syndrome

Klinefelter’s syndrome

Super female

Down’s syndrome