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Tay -sachs disease is an example of :...

Tay -sachs disease is an example of :

A

Dominant X-linked trait

B

Autosomal recessive trait

C

Autosomal dominant trait

D

Recessive sex-linked trait

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The correct Answer is:
B
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ARIHANT NEET-HUMAN GENETICS-Chapter Exercises A Taking it together (Assorted Questions of the Chapter for Advanced level Practice )
  1. The enzyme tyrosinase is essential for the synthesis of pigment

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  2. Marriage between close relatives should be avoided because it induces...

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  3. Tay -sachs disease is an example of :

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  4. All the following traits are X-linked except:

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  5. A child of 10 yrs is a intelligent as is normally expected in the chil...

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  6. Intelligence qutient (IQ) is a ratio of mental age to :

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  7. In case of taster and non-taster human beings T is for dominance & t i...

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  8. Father has AB blood group,mother has B, which of the following will no...

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  9. A sex -linked recessive trait found on X-chromosome is

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  10. An abnormality due to dominant gene is

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  11. A disease sometimes found in persons above 40 which is charachterised ...

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  12. Human syndroms arise due to chromosomal abnormalities Which one of the...

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  13. XX chromosomal condition is

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  14. Duchenne muscular dystrophy is caused by the presence of :

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  15. Parents with blood group O will have children with blood groups

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  16. After the age of 40 , the percentage of syndrome increased in the offs...

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  17. An abnormality in men who are always sterile due to improper developme...

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  18. Mental retardation is not related with

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  19. One way of determining sex-linked inheritance is :

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  20. A single recessive allele will produce its phenotypic effect when it ...

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