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A pleiotropic gene:...

A pleiotropic gene:

A

Controls a trait only in combiation with another gene

B

Controls multiple traits is an individual

C

Is expressed only in primitive plants

D

Is a gene evolved during pleiocene

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The correct Answer is:
a
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MODERN PUBLICATION-PRINCIPLES OF INHERITANCE AND VARIATION-COMPETITION FILE (OBJECTIVE TYPE QUESTIONS (A. MULTIPLE CHOICE QUESTIONS (MCQs):)
  1. When a gene pair in an organism contains two indentical alleles,the or...

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  2. The exchange of genetic material between chromatids of paired homologo...

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  3. A pleiotropic gene:

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  4. Skin colour in humans is an example of

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  5. Howmany types of gemete will be produced by an individual having genot...

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  6. Find the odd one out, with respect to X-linkage

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  7. Epicanthal skin fold and simian crease are characteristics of:

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  8. A woman with blood group 'O' has a child with blood group 'O' .If she ...

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  9. The number of chromosomes in Klinefelter's syndrome is

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  10. Double lines in a pedigree analysis show:

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  11. Which of the following conditions correctly describes the manner of de...

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  12. Conditions of a karyotype 2n pm 1 and 2n pm 2 are called

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  13. Phenotype of an organism is the result of

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  14. Which of the following most appropriately describes haemophilia?

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  15. A tall true breeding garden pea plant is crossed with a dwarf true bre...

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  16. Pick out the correct statement (I) Haemophilia is a sex-linked reces...

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  17. Which one of the following generates new genetic combinations leading ...

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  18. the mechanism that causes a gene to move from one linkage group to a...

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  19. A true breeding plant is

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  20. If a colourblind man marries a woman who is homozygous for normal colo...

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