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

184767 Which of the following is a correct match?

1 Downs syndrome - 21 st chromosome
2 Sickel cell anaemia - X - chromosome
3 Haemophilia - Y - chromosome
4 Parkinson disease - X and Y chromosome Patkinson disease - X and Y - chromosome
JPMER-2002
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Principle of Inheritance and Variation

184784 A man whose father was colourblind marries a poman, Who had a colourblind mother and normal father. What percentage of male children of this couple will be colourblind?

1 \(25 \%\)
2 \(0 \%\)
3 \(50 \%\)
4 \(75 \%\)
AllMS-2017
Principle of Inheritance and Variation

184787 Number of barr bodies in XXXX female would be:

1 4
2 3
3 2
4 1
Principle of Inheritance and Variation

184793 Match the items in column I with those in column II and choose the correct answer.
| Column I | | Column II | | |
| :--- | :--- | :--- | :--- | :---: |
| A. | Klinefelter
syndrome | 1. | Mutation in
autosomal gene | |
| B. | Thalassaemia | 2. | Mutation in sex
chromosome-linked
gene | |
| C. | Down
syndrome | 3. | Trisomy
autosome | |
| D. | Colour
blindness | 4. | Trisomy of sex
chromosome | |

1 A-1 B-2 C-3 D-4
2 A-2 B-3 C-4D-1
3 A-3 B-4C-1D-2
4 A4B-1 C-3 D-2
WB JEE-2015
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Principle of Inheritance and Variation

184767 Which of the following is a correct match?

1 Downs syndrome - 21 st chromosome
2 Sickel cell anaemia - X - chromosome
3 Haemophilia - Y - chromosome
4 Parkinson disease - X and Y chromosome Patkinson disease - X and Y - chromosome
JPMER-2002
{|l|l|}
Principle of Inheritance and Variation

184784 A man whose father was colourblind marries a poman, Who had a colourblind mother and normal father. What percentage of male children of this couple will be colourblind?

1 \(25 \%\)
2 \(0 \%\)
3 \(50 \%\)
4 \(75 \%\)
AllMS-2017
Principle of Inheritance and Variation

184787 Number of barr bodies in XXXX female would be:

1 4
2 3
3 2
4 1
Principle of Inheritance and Variation

184793 Match the items in column I with those in column II and choose the correct answer.
| Column I | | Column II | | |
| :--- | :--- | :--- | :--- | :---: |
| A. | Klinefelter
syndrome | 1. | Mutation in
autosomal gene | |
| B. | Thalassaemia | 2. | Mutation in sex
chromosome-linked
gene | |
| C. | Down
syndrome | 3. | Trisomy
autosome | |
| D. | Colour
blindness | 4. | Trisomy of sex
chromosome | |

1 A-1 B-2 C-3 D-4
2 A-2 B-3 C-4D-1
3 A-3 B-4C-1D-2
4 A4B-1 C-3 D-2
WB JEE-2015
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Principle of Inheritance and Variation

184767 Which of the following is a correct match?

1 Downs syndrome - 21 st chromosome
2 Sickel cell anaemia - X - chromosome
3 Haemophilia - Y - chromosome
4 Parkinson disease - X and Y chromosome Patkinson disease - X and Y - chromosome
JPMER-2002
{|l|l|}
Principle of Inheritance and Variation

184784 A man whose father was colourblind marries a poman, Who had a colourblind mother and normal father. What percentage of male children of this couple will be colourblind?

1 \(25 \%\)
2 \(0 \%\)
3 \(50 \%\)
4 \(75 \%\)
AllMS-2017
Principle of Inheritance and Variation

184787 Number of barr bodies in XXXX female would be:

1 4
2 3
3 2
4 1
Principle of Inheritance and Variation

184793 Match the items in column I with those in column II and choose the correct answer.
| Column I | | Column II | | |
| :--- | :--- | :--- | :--- | :---: |
| A. | Klinefelter
syndrome | 1. | Mutation in
autosomal gene | |
| B. | Thalassaemia | 2. | Mutation in sex
chromosome-linked
gene | |
| C. | Down
syndrome | 3. | Trisomy
autosome | |
| D. | Colour
blindness | 4. | Trisomy of sex
chromosome | |

1 A-1 B-2 C-3 D-4
2 A-2 B-3 C-4D-1
3 A-3 B-4C-1D-2
4 A4B-1 C-3 D-2
WB JEE-2015
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Principle of Inheritance and Variation

184767 Which of the following is a correct match?

1 Downs syndrome - 21 st chromosome
2 Sickel cell anaemia - X - chromosome
3 Haemophilia - Y - chromosome
4 Parkinson disease - X and Y chromosome Patkinson disease - X and Y - chromosome
JPMER-2002
{|l|l|}
Principle of Inheritance and Variation

184784 A man whose father was colourblind marries a poman, Who had a colourblind mother and normal father. What percentage of male children of this couple will be colourblind?

1 \(25 \%\)
2 \(0 \%\)
3 \(50 \%\)
4 \(75 \%\)
AllMS-2017
Principle of Inheritance and Variation

184787 Number of barr bodies in XXXX female would be:

1 4
2 3
3 2
4 1
Principle of Inheritance and Variation

184793 Match the items in column I with those in column II and choose the correct answer.
| Column I | | Column II | | |
| :--- | :--- | :--- | :--- | :---: |
| A. | Klinefelter
syndrome | 1. | Mutation in
autosomal gene | |
| B. | Thalassaemia | 2. | Mutation in sex
chromosome-linked
gene | |
| C. | Down
syndrome | 3. | Trisomy
autosome | |
| D. | Colour
blindness | 4. | Trisomy of sex
chromosome | |

1 A-1 B-2 C-3 D-4
2 A-2 B-3 C-4D-1
3 A-3 B-4C-1D-2
4 A4B-1 C-3 D-2
WB JEE-2015