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The segment of DNA which participates in crossing over is known as

A. recon

B. muton

C. criston

D. replicon

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  1. Dyad is
  2. A codon is a sequence of 3 nucleolides on
  3. A child is bom with an extra chromosome in each of its cells. This is usually the result of
  4. Among the following which is a test cross?
  5. The scientists who rediscovered the Mendel's laws are
  6. A giant chromosome having many chromo-nemata lying side by side all along their length is called
  7. Exhibition of superiority by a hybrid over both of its parents is called
  8. The crossing of a homozygous tall plant with a dwarf would yield plants in the ratio of
  9. A pure tall pea plant was reared in a soil poor in nutrition and reached the size of a pure dwarf pea…
  10. The number of characters investigated by Mendel was
  11. The possibilities of hereditary and evolutionary changes are greatest in species that reproduce by
  12. The first person to induce mutations was
  13. Reverse transcription was discovered by
  14. Crossing over in meiosis occurs in
  15. Colour blindness is caused due to
  16. The condition in which only one allele of a pair is present is known as
  17. A colour-blind man marries the daughter of a colour-blind person. In their progeny
  18. Down's syndrome is an example of
  19. Base substitutions from base analogues I are called
  20. In the Operon concept, the regulator gene regulates chemical reactions in the cell by
  21. Some people experience PTC paper on tongue as bitter, others as tasteless. This character is hereditary…
  22. Linkage is
  23. Chromosomes exhibit minimum coiling during
  24. In humans, an example of sex-linked trait is
  25. Klinefelter's syndrome is developed when the chromosome in male is
  26.  A chemical mutagen is
  27. Lethal genes are those which
  28. Diakinesis is characterised by
  29. Transfer of a gene or genes through a virus is called
  30. Which disease results from the genetic inability to synthesize a single enzyme ?