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Edward syndrome is on account of …………....

Edward syndrome is on account of ………….

A

45 chromosmes instead of46

B

Presence of three chromosomes on 18th pair of autosome

C

Presence of three chromosomes on 21st pair of autosome

D

Presence of three pair of sex chromosomes

Text Solution

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The correct Answer is:
B
It has an abnormal karyotype of `10 2 n + 1 (18) = 47`
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  9. Rate of mutation is affected by

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  10. A mutation is most likely to have a selective advantage in evolution i...

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  11. Which one of the following is a wrong statement regarding mutations

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  14. Which of the following is the main category of mutation

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  16. The formation of multivalents at meiosis in diploid organism is dua to

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  17. Mental retardation in man, associated with sex chromosomal abnormality...

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  18. If chromosome complement 44+XY of a gamete mother cell suffers a non-d...

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  19. If haploid chromosome number in a cell is 12. The monosomic number wil...

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