A codon is a sequence of 3 nucleolides on

A. t-RNA

B. m-RNA

C. s-RNA

D. hn-RNA

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  1. Linked genes may be separated by the process of
  2. In the Operon concept, the regulator gene regulates chemical reactions in the cell by
  3. A child is bom with an extra chromosome in each of its cells. This is usually the result of
  4. Reverse transcription was discovered by
  5. DNA duplication occurs in
  6. The possibilities of hereditary and evolutionary changes are greatest in species that reproduce by
  7. A pure tall pea plant was reared in a soil poor in nutrition and reached the size of a pure dwarf pea…
  8. The first person to induce mutations was
  9. Diakinesis is characterised by
  10. If an individual does not breed true for its characters, it is called
  11. The scientists who rediscovered the Mendel's laws are
  12. The crossing of a homozygous tall plant with a dwarf would yield plants in the ratio of
  13. The best method to determine whether an individual is homozygous or heterozygous is
  14. The condition in which only one allele of a pair is present is known as
  15.  A person meets with an accident and great loss of blood has occurred. There is no time to analyse…
  16. Among the following which is a test cross?
  17. Lethal genes are those which
  18. The number of characters investigated by Mendel was
  19. An offspring of two homozygous parents different from one another by alleles at only one gene locus…
  20. Down's syndrome is an example of
  21. Dyad is
  22. When is the sex of an offspring decided
  23. A giant chromosome having many chromo-nemata lying side by side all along their length is called
  24. Some people experience PTC paper on tongue as bitter, others as tasteless. This character is hereditary…
  25. Which disease results from the genetic inability to synthesize a single enzyme ?
  26. In humans, an example of sex-linked trait is
  27. Crossing over in meiosis occurs in
  28. Exhibition of superiority by a hybrid over both of its parents is called
  29. The chromosomal theroy of heredity implies that
  30. A codon is a sequence of 3 nucleolides on