Which of the following symbols represent consanguineous mating? 

(1)

(2)

(3)

(4)

Subtopic:  Pedigree Analysis: Basics |
 90%
From NCERT
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In the given pedigree chart, select the correct statement:

(1) A & B are twins

(2) A is younger than B

(3) B is younger than A

(4) Can’t determine the age of A & B

Subtopic:  Pedigree Analysis: Problem Solving |
 52%
From NCERT
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Which of the following is the sex linked disease? 

(1) Sickle cell anaemia

(2) Haemophilia

(3) Cystic fibrosis

(4) Phenylketonuria

Subtopic:  Mendelian Disorders: Hemophilia |
 89%
From NCERT
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Mendelian disorders are caused by

(1) Mutation in the single chromosome

(2) Mutation in the single gene

(3) Polyploidy

(4) Aneuploidy

Subtopic:  Mendelian Disorders |
 74%
From NCERT
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Myotonic dystrophy is

(1) Autosomal recessive trait

(2) Autosomal dominant trait

(3) X- linkeddominant trait

(4) X- linked recessive trait

Subtopic:  Non - Disjunction & Aneuploidy |
 80%
From NCERT
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Boy born to a physically normal couple has been diagnosed with a genetic disorder, this could be

(1) Y- linked trait.

(2) Autosomal dominant trait

(3) X- linked dominant trait

(4) X- linked recessive trait

Subtopic:  Sex Linked Recessive Inheritance |
 76%
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Which of the following disorder is associated with Queen Victoria?

(1) Sickle cell anaemia

(2) Haemophilia

(3) Huntington's Disease

(4) Myotonic dystrophy

Subtopic:  Mendelian Disorders: Hemophilia |
 93%
From NCERT
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Which of the following is least probable? 

(1) Female child with Sickle cell anaemia

(2) Male child with haemophilia

(3) Carrier female for haemophilia

(4) Female child with haemophilia

Subtopic:  Sex Linked Recessive Inheritance |
 79%
From NCERT
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Which of the following disorder can’t be transmitted from a single diseased parent? 

(1) Sickle cell anaemia

(2) Haemophilia

(3) Colour Blindness

(4) Myotonic dystrophy

Subtopic:  Mendelian Disorders: Sickle Cell Anemia |
 59%
From NCERT
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Which of the following genotypes could cause Sickle cell anaemia? 

(1) Hbˢ + Hbᴬ

(2) Hbᴬ+ Hbᴬ

(3) Hbˢ + Hbˢ

(4) Both ‘A’ and ‘C’.

Subtopic:  Mendelian Disorders: Sickle Cell Anemia |
 74%
From NCERT
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