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. Which disease results from the genetic inability to synthesize a single enzyme ?
  2. The crossing of a homozygous tall plant with a dwarf would yield plants in the ratio of
  3. The science dealing with study of inheritance and variation is
  4. Colour blindness is caused due to
  5. Linked genes may be separated by the process of
  6. Some people experience PTC paper on tongue as bitter, others as tasteless. This character is hereditary…
  7. A child is bom with an extra chromosome in each of its cells. This is usually the result of
  8. Among the following which is a test cross?
  9. A functional unit of a gene which specifies synthesis of one poly-peptide is known as
  10. The chromosomal theroy of heredity implies that
  11. The best method to determine whether an individual is homozygous or heterozygous is
  12. The possibilities of hereditary and evolutionary changes are greatest in species that reproduce by
  13. A giant chromosome having many chromo-nemata lying side by side all along their length is called
  14. Exhibition of superiority by a hybrid over both of its parents is called
  15. Base substitutions from base analogues I are called
  16. The first person to induce mutations was
  17. Crossing over in meiosis occurs in
  18. The condition in which only one allele of a pair is present is known as
  19. Diakinesis is characterised by
  20. The term 'meiosis' was coined bv
  21. Reverse transcription was discovered by
  22. Linkage is
  23. The scientists who rediscovered the Mendel's laws are
  24. Chromosomes exhibit minimum coiling during
  25. A colour-blind man marries the daughter of a colour-blind person. In their progeny
  26. The segment of DNA which participates in crossing over is known as
  27. A codon is a sequence of 3 nucleolides on
  28. The number of characters investigated by Mendel was
  29. The nuclear membrane completely disappears during
  30. When two genes are situated very close to each other in a chromosome