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Pick out the correct statement (I) Hae...

Pick out the correct statement
(I) 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

A

(ii) & (iv) are correct

B

(i), (iii) and (iv) are correct

C

(i), (ii) and (iii) are correct

D

(i) and (iv) are correct

Text Solution

Verified by Experts

The correct Answer is:
C
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Haemophilia is a sex linked recessive disorder of humans. The pedigree chart given below shows the inheritance of Haemophilia in one family. Study the pattern of inheritance and answer the questions given. (a) Give all the possible genotypes of the members 4, 5 and 6 in the pedigree chart. (b) A blood test shows that the individual 14 is a carrier of haemophilia. The member numbered 15 has recently married the member numbered 14. What is the probability that their first child will be a haemophilic male ? Show with the help of Punnett square.

TRUEMAN BIOLOGY-PRINCIPLES OF INHERITANCE AND VARIATIONS -MCQs
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  2. A plant species A has a diploid number of chromosomes as 12. Another p...

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  3. In a testcross involving F(1) dihybrid flies, more parental-type offsp...

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  4. Match the terms in column I with their description in column II and ch...

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  5. A cell at telophase stage is observed by a student in a plant brought ...

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  6. Which of the following most appropriately describes haemophilia?

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  7. Which of the following statements is not true for cancer cells in rela...

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  8. A tall true breeding garden pea plant is crossed with a dwarf true bre...

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  9. Pick out the correct statement (I) Haemophilia is a sex-linked reces...

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  10. Which one of the following generates new genetic combinations leading ...

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  11. A true breeding plant is

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  12. If a colour -blind man marries a woman who is homozygous for normal co...

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  13. Which one form those given below is the periods for Mendel's hybridiz...

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  14. Among the following characters, which one was not considered by Mendel...

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  15. The genotypes of husband and wife are I^(A)I^(B) and I^(A)i. Among the...

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  16. The association of histone H1 with a nucleosome indicattes

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  17. Thalassemia and sickle cell anemia are caused due to a problem in glob...

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  18. A disease caused by an autosomal primary non-disjunction is

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  19. Which of the following characteristics represent 'Inheritance of blood...

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  20. A woman has an X-linked condition on one of her X chromosomes . This c...

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