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Sickle cell-anaemia disorder arises due...

Sickle cell-anaemia disorder arises due to

A

Duplication of a segment of DNA

B

Substitution in a single base of DNA

C

Deletion of a segment of DNA

D

Duplication in a base pair of RNA

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The correct Answer is:
B
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AAKASH INSTITUTE-PRINCIPLES OF INHERITANCE AND VARIATION-Assignment (SECTION-A)
  1. Individuals having homomorphic sex-chromosomes produce

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  2. Which of the following phenomena leads to variation in DNA ?

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  3. Sickle cell-anaemia disorder arises due to

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  4. In pedigree analysis, symbol given for sex unspecified is

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  5. Cystic fibrosis, Myotonic dytrophy and Thalassemia are

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  6. Which of the following trait shows transmission from carries femal...

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  7. Phenylketonuria is an inborn error of metabolism that is inherited as

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  8. Which of the following abnormalities is due to autosomal dominant mu...

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  9. Absence or excess or abnormal arrangement of one or more chromosomes ...

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  10. Mark the odd one w.r.t syndrome which occurs due to failure of segreg...

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  11. Heterozygous round and yellow seeded pea plants were selfed and tota...

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  12. Which of the disorder is related with the Karyotype given below ?

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  13. Mark the correct match

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  14. Physical , psychromotor and mental development is retarded in an indi...

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  15. In which of the following disorder's affected individual's posses ...

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  16. The affected individuals are short statured disorder like

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  17. In which of the following disorder gynaecomastiasymptom is seen in i...

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  18. Mark the correct option (w.r.t monosomy)

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  19. Allosomic trisomy condition is seen in

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  20. Which of the following disorder is seen in human female only ?

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