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A functional unit of a gene which specifies synthesis of one poly-peptide is known as

A. clone

B. recon

C. cistron

D. codon

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  1. The condition in which only one allele of a pair is present is known as
  2. Which one of the following chemical characteristics is not common to all living beings ?
  3. In humans, an example of sex-linked trait is
  4. In a monohybrid cross the Fi ratio of a backcross is
  5. DNA duplication occurs in
  6. When two genes are situated very close to each other in a chromosome
  7. Lethal genes are those which
  8. Crossing over in meiosis occurs in
  9. A codon is a sequence of 3 nucleolides on
  10. Down's syndrome is an example of
  11. The best method to determine whether an individual is homozygous or heterozygous is
  12. The chromosomal theroy of heredity implies that
  13. Which disease results from the genetic inability to synthesize a single enzyme ?
  14. In the Operon concept, the regulator gene regulates chemical reactions in the cell by
  15. When is the sex of an offspring decided
  16. A giant chromosome having many chromo-nemata lying side by side all along their length is called
  17. Diakinesis is characterised by
  18. If an individual does not breed true for its characters, it is called
  19. Reverse transcription was discovered by
  20. Colour blindness is caused due to
  21. The scientists who rediscovered the Mendel's laws are
  22. An offspring of two homozygous parents different from one another by alleles at only one gene locus…
  23. Transfer of a gene or genes through a virus is called
  24. Dyad is
  25. A pure tall pea plant was reared in a soil poor in nutrition and reached the size of a pure dwarf pea…
  26. The segment of DNA which participates in crossing over is known as
  27. The crossing of a homozygous tall plant with a dwarf would yield plants in the ratio of
  28. Linkage is
  29. The science dealing with study of inheritance and variation is
  30. Klinefelter's syndrome is developed when the chromosome in male is