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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyGiven below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R)
Assertion (A): | A father will never pass the gene for haemophilia to his sons |
Reason (R): | Haemophilia is sex-linked (X-linked recessive trait). |
In the light of the above statements, choose the correct answer from the options given below :
1. | (A) is correct but (R) is not correct. |
2. | (A) is not correct but (R) is correct. |
3. | Both (A) and (R) are correct and (R) is the correct explanation of (A). |
4. | Both (A) and (R) are correct but (R) is not the correct explanation of (A). |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyStatement I: | Sickle cell anaemia and Haemophilia are autosomal dominant traits. |
Statement II: | Sickle cell anaemia and Haemophilia are disorders of the blood. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology(a) | Haemophilic son and haemophilic daughter. |
(b) | Haemophilic son and carrier daughter. |
(c) | Normal daughter and normal son. |
(d) | Normal son and haemophilic daughter. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyI: | Haemophilia is a sex-linked recessive disease. |
II: | Down’s syndrome is due to aneuploidy. |
III: | Phenylketonuria is an autosomal recessive gene disorder. |
IV: | Sickle cell anaemia is an X-linked recessive gene disorder |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following most appropriately describes haemophilia?
1. X-linked recessive gene disorder
2. Chromosomal disorder
3. Dominant gene disorder
4. Recessive gene disorder
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe incorrect statement with regard to Haemophilia is:
1. | It is a recessive disease |
2. | It is a dominant disease |
3. | A single protein involved in the clotting of blood is affected |
4. | it is a sex-linked disease. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is not a hereditary disease:
1. Haemophilia
2. Cretinism
3. Cystic fibrosis
4. Thalasasemia
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhat ratio is expected in offsprings if father is colour blind and mother's father was colour blind:
1. 50% daughter – colour blind
2. All the sons are colour blind
3. All the daughters colour blind
4. All the sons are normal
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAmong fraternal twins, one baby is haemophilic while the baby's brother is normal. Which statement is true:
1. Baby is male
2. Baby is female
3. Mother is heterozygous
4. Mother is homozygous
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology