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Human skin colour is polygenic trait wit...

Human skin colour is polygenic trait with each dominant determing a part of melanin deposition while the recessive are coding for no melanin. If a very dark skinned person marries a very light skinned women, the chances of a very dark skinned offspring are

A

O

B

`1//4`

C

`5//8`

D

`9//64`

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The correct Answer is:
A
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DINESH PUBLICATION-GENETIC BASIS OF INHERITANCE-Revision Questions From Competitive Exams
  1. Which pair of features represents polygenic inheritance ?

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  2. Mating of an organism to double recessive in order to determine whethe...

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  3. Human skin colour is polygenic trait with each dominant determing a pa...

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  4. A test cross is performed

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  5. Possible blood groups of children born to parents having A and AB gr...

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  6. When pure long plant having white flower is crossed with pure dwarf pl...

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  7. Which of the following is correct for dihybrid cross ?

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  8. Word genetics comes from

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  9. Selfing of hybrid yellow round seeded (YyRr) Pea plants, the phnotypes...

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  10. The gene for right handedness is dominant over the gene for left hande...

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  11. Match the genetics phenomena with their respective ratios

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  12. In a monohybrid cross, the genotypic ratio of "F"(2) is:

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  13. In humans blue eye colour is recessive to brown eye colour. If a boy h...

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  14. A tall pea plant with round seeds (TTRR) is crossed with a dwarf wrink...

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  15. The number of phenotypes in ABO blood groups is

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  16. Mendel's experimental material was

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  17. An individual having different alleles of a gene is

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  18. The offspring of AA bb xx aa BB is crossed with , aabb. The genotypic ...

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  19. Mating between two individuals differing in genoutope to produce genet...

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  20. The term 'genetics' was proposed by:

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