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Exhibition of superiority by a hybrid over both of its parents is called

A. heterosis

B. hybridization

C. hypostasis

D. dominance

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  1. A codon is a sequence of 3 nucleolides on
  2. Reverse transcription was discovered by
  3. A child is bom with an extra chromosome in each of its cells. This is usually the result of
  4. Which one of the following chemical characteristics is not common to all living beings ?
  5. Linkage is
  6. Crossing over in meiosis occurs in
  7. The term 'meiosis' was coined bv
  8. Linked genes may be separated by the process of
  9. The nuclear membrane completely disappears during
  10. A pure tall pea plant was reared in a soil poor in nutrition and reached the size of a pure dwarf pea…
  11. Diakinesis is characterised by
  12. How many meiosis will be required to produce 102 pollen-grains ?
  13. The possibilities of hereditary and evolutionary changes are greatest in species that reproduce by
  14. The number of characters investigated by Mendel was
  15. The first person to induce mutations was
  16. If an individual does not breed true for its characters, it is called
  17. A giant chromosome having many chromo-nemata lying side by side all along their length is called
  18. A colour-blind man marries the daughter of a colour-blind person. In their progeny
  19. The condition in which only one allele of a pair is present is known as
  20. The scientists who rediscovered the Mendel's laws are
  21. In humans, an example of sex-linked trait is
  22.  A chemical mutagen is
  23. Mutations which are not dominant are not lost by a gene pooL This is known as
  24. Klinefelter's syndrome is developed when the chromosome in male is
  25. The science dealing with study of inheritance and variation is
  26. Exhibition of superiority by a hybrid over both of its parents is called
  27. In a monohybrid cross the Fi ratio of a backcross is
  28. Colour blindness is caused due to
  29. The segment of DNA which participates in crossing over is known as
  30. In the Operon concept, the regulator gene regulates chemical reactions in the cell by