Match the following: (1) Huntington’s chorea (i) Autosomal mutant allele (2) Sickle cell anemia (ii) Homozygous recessive gene (3) Agammaglobulinemia (iii) Autosomal dominant gene (4) Thalassemia (iv) Recessive gene

(1) - (iii) (2) - (i) (3) - (iv) (4) - (ii)

(1) - (i) (2) - (iv) (3) - (iii) (4) - (ii)

(1) - (ii) (2) - (iv) (3) - (i) (4) - (iii)

(1) - (iii) (2) - (i) (3) - (ii) (4) - (iv)

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Individuals with thalassemia major possess homozygous recessive genes for HBB mutant.

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Important Questions on Principles of Inheritance and Variation

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Biology>Genetics and Evolution>Principles of Inheritance and Variation>Genetic Disorders

A human female with Turner's syndrome

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Biology>Genetics and Evolution>Principles of Inheritance and Variation>Genetic Disorders

Thalassemia and sickle cell anaemia are caused due to a problem in globin molecule synthesis. Select the correct statement.

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Biology>Genetics and Evolution>Principles of Inheritance and Variation>Genetic Disorders

A disease caused by an autosomal primary non-disjunction is

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Biology>Genetics and Evolution>Principles of Inheritance and Variation>Genetic Disorders

Point mutation is caused in which of the following diseases?

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Biology>Genetics and Evolution>Principles of Inheritance and Variation>Genetic Disorders

The genetic disorder in which an individual has an overall masculine development, gynaecomastia and is sterile:

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Biology>Genetics and Evolution>Principles of Inheritance and Variation>Genetic Disorders

Select the correct match.

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Biology>Genetics and Evolution>Principles of Inheritance and Variation>Genetic Disorders

An abnormal human baby with 'XXX' sex chromosomes was born due to:

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Biology>Genetics and Evolution>Principles of Inheritance and Variation>Genetic Disorders

Which ONE of the following Mendelian diseases is an example of

X

-linked recessive disorder?

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Biology>Genetics and Evolution>Principles of Inheritance and Variation>Genetic Disorders

Conditions of a karyotype

2 n \pm 1

and

2 n \pm 2

are called

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Biology>Genetics and Evolution>Principles of Inheritance and Variation>Genetic Disorders

Name the human disease due to autosomal dominant gene :

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Biology>Genetics and Evolution>Principles of Inheritance and Variation>Genetic Disorders

A change of single base pair in the gene for beta globin chain (in human haemoglobin) that results in the change of amino acid residue glutamine to valine which is due to

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Biology>Genetics and Evolution>Principles of Inheritance and Variation>Genetic Disorders

Which of the following muscular disorders is inherited?

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Biology>Genetics and Evolution>Principles of Inheritance and Variation>Genetic Disorders

Statement (S): The heterozygous individuals for sickle-cell anaemia $({Hb}^{A} {Hb}^{S})$ express disease phenotype and also carriers of the disease.

Reason (R): ${Hb}^{A} {Hb}^{S}$ genotype individuals are resistant to severe effects of malaria.

The correct answer is

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Biology>Genetics and Evolution>Principles of Inheritance and Variation>Genetic Disorders

A man whose father was colour blind marries a woman who had a colour blind mother and normal father. What percentage of male children of this couple will be colour blind?

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Biology>Genetics and Evolution>Principles of Inheritance and Variation>Genetic Disorders

Which one of the following conditions is not responsible for the presence of deoxygenated blood in the arteries of a newborn

?

HARD

Biology>Genetics and Evolution>Principles of Inheritance and Variation>Genetic Disorders

A haemophilic man marries a woman whose mother was normal but her father was haemophilic. What percentage of childern would be there to be haemophilic. Explain it with necessary crossing.

MEDIUM

Biology>Genetics and Evolution>Principles of Inheritance and Variation>Genetic Disorders

Which of the following indicates the sign Question Image

in the human pedigree analysis?

HARD

Biology>Genetics and Evolution>Principles of Inheritance and Variation>Genetic Disorders

Match the following:

(1) Huntington’s chorea	(i) Autosomal mutant allele
(2) Sickle cell anemia	(ii) Homozygous recessive gene
(3) Agammaglobulinemia	(iii) Autosomal dominant gene
(4) Thalassemia	(iv) Recessive gene

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Biology>Genetics and Evolution>Principles of Inheritance and Variation>Genetic Disorders

Which of the following is most appropriate for thalassemia?

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Biology>Genetics and Evolution>Principles of Inheritance and Variation>Genetic Disorders

"The gene for sickle cell anaemia in homozygous condition is lethal and produces sickle cell trait in heterozygous carrier*. Explain.

Individuals with thalassemia major possess homozygous recessive genes for HBB mutant.

Important Questions on Principles of Inheritance and Variation

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