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Down's syndrome has karyotypic make up a...

Down's syndrome has karyotypic make up as

A

44 + XXX

B

44+XXY

C

45+XY or 45+XX

D

44+XY or 44+XX

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The correct Answer is:
C
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ARIHANT NEET-HUMAN GENETICS-Chapter Exercises A Taking it together (Assorted Questions of the Chapter for Advanced level Practice )
  1. A child gets sex linked traits from

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  2. If all the sons of a couple are colourblind then

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  3. Down's syndrome has karyotypic make up as

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  4. Which of the following is a congenital genetic defect?

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  5. Which of the following is an example of sex-linked inheritance?

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  6. Human beings share banding pattern of chromosome with

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  7. Hypertrichosis' or hair ears is a sex-linked inheritance associated wi...

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  8. A gene located on Y-chromosome and hence transmitted from fathero to s...

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  9. Colour blindness in which colours are perceived aso grey, is termed a...

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  10. Which amino acid of B-chain of haemoglobin is became changed when nor...

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  11. Mother of a sickle-cell anaemic child is always

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  12. Condition of sex chromosomes in male child with Patau's syndrome is

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  13. The example of sex-linked trait in human being is

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  14. The disorder such as alkaptonuria and phenylketonuria are referred to ...

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  15. If the genetic complement of a person is XXXX How many barr bodies c...

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  16. Extrachromosome 'X' is present in one of the following disease

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  17. The number of barr bodies in human suffering from Turner's syndrome is

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  18. A male child suffering from Down's syndrome will have genetic constitu...

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  19. Probability of male child of hamemophlicac father and normal mother be...

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  20. Brilliant plumage in peacock is a

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