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How many possible genotypes are there fo...

How many possible genotypes are there for the ABO blood group which are controlled by three multiple alleles ?

A

6

B

4

C

5

D

1

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The correct Answer is:
A
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MBD PUBLICATION-HEREDITY AND VARIATION-QUESTION BANK
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  2. Continuous variations are attributed to meiosis through :

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  3. How many possible genotypes are there for the ABO blood group which ar...

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  4. In a dihybrid cross ,F2 ratio of 15 : 1 is due to :

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  5. When two dominant independently assorting genes react with each other ...

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  6. Male XX and female XY sometimes occur due to :

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  7. A disease caused by autosomal primary non-disjunction is :

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  8. Sickle-cell anaemia is

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  9. When an allele of one gene suppresses an allele of another gene,the ph...

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  10. Genes of which inheritable traits are present on the X-chromosome ?

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  11. The genotype of a male individual having sexual character of a female ...

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  12. Human gene determining sex at seventh week of pregnancy called TDF is ...

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  13. Somatic chromosomes are autosomes while sex chromosomes are called

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  14. is a sex -linked trait.

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  15. A cross between hybrid with a double recessive pure plant is called

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  16. Which genetic disease is regarded as Royel disease ?

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  17. In birds type of sex determination occurs.

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  18. Who proposed genic balance theory for determination of sex in Drosophi...

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  19. Gregor Johann Mendel is regarded as what ?

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  20. Which term was used by mendel to represent hereditary unit ?

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