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A polygenic inheritance in human beings ...

A polygenic inheritance in human beings is

A

skin colour

B

sickle cell anaemia

C

colour blindness

D

phenylketonuria

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The correct Answer is:
A
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(a) What is polygenic inheritance? Explain with the help of a suitable example. (b) How are pleiotropy inheritance different from polygenic pattern of inheritance ?

ALLEN-GENETICS & MOLECULAR BASIS OF INHERITANCE AND MUTATION-EXERCISE-I (CONCEPTUAL QUESTIONS)
  1. In a cross between true red flowered (RR) and true breeding white flow...

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  2. In case of ABO blood grop allele I^(A)and I^(B) if present together th...

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  3. A polygenic inheritance in human beings is

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  4. Which one of the following carries extra nuclear genetic material ?

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  5. When a certain character is inherited only through female parent, it p...

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  6. Cytoplasmic male sterility is passed down

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  7. In which type of inheritance the results are affected by reciprocal cr...

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  8. The scientist who first discovered cytoplasmic inheritance was

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  9. Extranuclear inheritance is a consequence of presence of genes in

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  10. Inheritance of skin colour in humans is an example of:-

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  11. Albinism in corn show :-

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  12. The polygenic genes show

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  13. In F(2) generation, a ratio of 1:4:6:4:1 is obtained instead of 9:3:3:...

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  14. An example of the quantitative trait in man is

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  15. Quantitative/polygenic inheritance was first noted by

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  16. In polygenic inheritance, a trait is controlled by two pairs of genes....

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  17. In totmato, genotype aabbcc produces 100g tomatoes and AABBCC produces...

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  18. A polygenic trait is contrulled by 3 genes A,B and C . In a cross AaB...

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  19. Genes for cytoplsmic male sterility in plants are generally located in

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  20. What is the inheritance of colour blindness of both parents having ano...

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