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Skin colour in man is controlled by...

Skin colour in man is controlled by

A

Three pairs of polygenes

B

Duplicate genes

C

Six pairs of polygenes

D

Supplementary genes

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The correct Answer is:
A
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AAKASH INSTITUTE ENGLISH-PRINCIPLES OF INHERITANCE AND VARIATION-Exercise
  1. Select the odd one out w.r.t polygenic inheritance

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  2. Select the correct match (w.r.t dihybrid phenotypic ratio in F(2) g...

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  3. Skin colour in man is controlled by

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  4. Select the odd one out w.r.t chromosomal theory of inheritance

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  5. The term gene for Mendellan factor was coined by

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  6. Morgan used Drosophila as experimental material because (a) It cannot ...

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  7. Who carried out several dihybrid crosses in Drosophila to study genes...

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  8. Female Drosophila is (a) Smaller in size than male (b) Larger in siz...

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  9. Find the odd one out w.r.t complete linkage

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  10. A condition where an individual heterozygous for two pairs of linked g...

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  11. How many linkage groups are present in human male? (a) 24 (b) 23 ...

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  12. What is the recombination percentage between gene y and w in Drosophi...

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  13. Find the incorrect statement w.r.t chromosomal mapping

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  14. Individuals having homomorphic sex-chromosomes produce (a) One type of...

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  15. Holandric genes are present on (a) X-chromosomes (b) Y-chromosomes ...

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  16. Mark the incorrect pair (w.r.t sex determination) (a) ZW-ZZ type - Fi...

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  17. 50% sperms are devoid of sex-chromosomes in (a) Melandrium (b) Mo...

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  18. In the XX-XO type of sex chromosomes in (a) Females produce only o...

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  19. Select the odd one out w.r.t genic balance theory of sex-determinatio...

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  20. Environmental mechanism of sex-determination is seen in

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