07. Genetic Disorders 1. Chromosomal Disorders
Principle of Inheritance and Variation

184775 A couple whose sons are colour blind with \(A B\) blood group, identify the parent from the following.

1 Mother colourblind with blood group-A and father normal with blood group-B
2 Mother normal with blood group-A and father colourblind with blood group-B
3 Mother colourblind with blood group-B and father normal with blood group-B
4 Mother normal with blood group-A and father coloublind with blood group-B
Principle of Inheritance and Variation

184777 Choose the correct statements regarding genetic disorders
(I) Turner's female is a result of aneuploidy
(II) Tritanopia is a sex linked recessive disorder
(III) Haemophilia \(\mathbf{C}\) follows criss cross pattern of inheritance
(IV) Sickle cell anaemia is due to mutation of alleles in chromosome 11

1 I, IV
2 II, III
3 I, III
4 II, III
Principle of Inheritance and Variation

184786 A man, whose father is colourblind, marries a lady who is daughter of a colour blindman. Their off springs will be

1 all normal
2 all colourblind
3 all sons colourblind
4 some sons coloublind and some normal
Principle of Inheritance and Variation

184794 Read the following statements and choose the correct option.
I. In phenylketonuria the affected person does not secrete the enzyme to convert phenylalanine to tyrosine.
II. The possibility of a male becoming haemophilic is extremely rare.
III. Sickle cell anemia is caused by the substitution of glutamic acid by valine at the fifth position of beta chain of haemoglobin molecule.
IV. Myotonic dystrophy is an autosomal dominant trait.

1 I and II alone are wrong
2 II and III alone are wrong
3 Il alone is wrong
4 III alone is wrong
5 II and IV alone are wrong
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Principle of Inheritance and Variation

184775 A couple whose sons are colour blind with \(A B\) blood group, identify the parent from the following.

1 Mother colourblind with blood group-A and father normal with blood group-B
2 Mother normal with blood group-A and father colourblind with blood group-B
3 Mother colourblind with blood group-B and father normal with blood group-B
4 Mother normal with blood group-A and father coloublind with blood group-B
Principle of Inheritance and Variation

184777 Choose the correct statements regarding genetic disorders
(I) Turner's female is a result of aneuploidy
(II) Tritanopia is a sex linked recessive disorder
(III) Haemophilia \(\mathbf{C}\) follows criss cross pattern of inheritance
(IV) Sickle cell anaemia is due to mutation of alleles in chromosome 11

1 I, IV
2 II, III
3 I, III
4 II, III
Principle of Inheritance and Variation

184786 A man, whose father is colourblind, marries a lady who is daughter of a colour blindman. Their off springs will be

1 all normal
2 all colourblind
3 all sons colourblind
4 some sons coloublind and some normal
Principle of Inheritance and Variation

184794 Read the following statements and choose the correct option.
I. In phenylketonuria the affected person does not secrete the enzyme to convert phenylalanine to tyrosine.
II. The possibility of a male becoming haemophilic is extremely rare.
III. Sickle cell anemia is caused by the substitution of glutamic acid by valine at the fifth position of beta chain of haemoglobin molecule.
IV. Myotonic dystrophy is an autosomal dominant trait.

1 I and II alone are wrong
2 II and III alone are wrong
3 Il alone is wrong
4 III alone is wrong
5 II and IV alone are wrong
Principle of Inheritance and Variation

184775 A couple whose sons are colour blind with \(A B\) blood group, identify the parent from the following.

1 Mother colourblind with blood group-A and father normal with blood group-B
2 Mother normal with blood group-A and father colourblind with blood group-B
3 Mother colourblind with blood group-B and father normal with blood group-B
4 Mother normal with blood group-A and father coloublind with blood group-B
Principle of Inheritance and Variation

184777 Choose the correct statements regarding genetic disorders
(I) Turner's female is a result of aneuploidy
(II) Tritanopia is a sex linked recessive disorder
(III) Haemophilia \(\mathbf{C}\) follows criss cross pattern of inheritance
(IV) Sickle cell anaemia is due to mutation of alleles in chromosome 11

1 I, IV
2 II, III
3 I, III
4 II, III
Principle of Inheritance and Variation

184786 A man, whose father is colourblind, marries a lady who is daughter of a colour blindman. Their off springs will be

1 all normal
2 all colourblind
3 all sons colourblind
4 some sons coloublind and some normal
Principle of Inheritance and Variation

184794 Read the following statements and choose the correct option.
I. In phenylketonuria the affected person does not secrete the enzyme to convert phenylalanine to tyrosine.
II. The possibility of a male becoming haemophilic is extremely rare.
III. Sickle cell anemia is caused by the substitution of glutamic acid by valine at the fifth position of beta chain of haemoglobin molecule.
IV. Myotonic dystrophy is an autosomal dominant trait.

1 I and II alone are wrong
2 II and III alone are wrong
3 Il alone is wrong
4 III alone is wrong
5 II and IV alone are wrong
Principle of Inheritance and Variation

184775 A couple whose sons are colour blind with \(A B\) blood group, identify the parent from the following.

1 Mother colourblind with blood group-A and father normal with blood group-B
2 Mother normal with blood group-A and father colourblind with blood group-B
3 Mother colourblind with blood group-B and father normal with blood group-B
4 Mother normal with blood group-A and father coloublind with blood group-B
Principle of Inheritance and Variation

184777 Choose the correct statements regarding genetic disorders
(I) Turner's female is a result of aneuploidy
(II) Tritanopia is a sex linked recessive disorder
(III) Haemophilia \(\mathbf{C}\) follows criss cross pattern of inheritance
(IV) Sickle cell anaemia is due to mutation of alleles in chromosome 11

1 I, IV
2 II, III
3 I, III
4 II, III
Principle of Inheritance and Variation

184786 A man, whose father is colourblind, marries a lady who is daughter of a colour blindman. Their off springs will be

1 all normal
2 all colourblind
3 all sons colourblind
4 some sons coloublind and some normal
Principle of Inheritance and Variation

184794 Read the following statements and choose the correct option.
I. In phenylketonuria the affected person does not secrete the enzyme to convert phenylalanine to tyrosine.
II. The possibility of a male becoming haemophilic is extremely rare.
III. Sickle cell anemia is caused by the substitution of glutamic acid by valine at the fifth position of beta chain of haemoglobin molecule.
IV. Myotonic dystrophy is an autosomal dominant trait.

1 I and II alone are wrong
2 II and III alone are wrong
3 Il alone is wrong
4 III alone is wrong
5 II and IV alone are wrong