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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. How many meiosis will be required to produce 102 pollen-grains ?
  2. When two genes are situated very close to each other in a chromosome
  3. The crossing of a homozygous tall plant with a dwarf would yield plants in the ratio of
  4. The condition in which only one allele of a pair is present is known as
  5. A colour-blind man marries the daughter of a colour-blind person. In their progeny
  6. Some people experience PTC paper on tongue as bitter, others as tasteless. This character is hereditary…
  7. The genetic constitution of an organism is known as
  8. Mutations which are not dominant are not lost by a gene pooL This is known as
  9. Linkage is
  10. Colour blindness is caused due to
  11. The chromosomal theroy of heredity implies that
  12. A functional unit of a gene which specifies synthesis of one poly-peptide is known as
  13. Chromosomes exhibit minimum coiling during
  14. Lethal genes are those which
  15. The segment of DNA which participates in crossing over is known as
  16. Transfer of a gene or genes through a virus is called
  17. In a monohybrid cross the Fi ratio of a backcross is
  18. Among the following which is a test cross?
  19. If an individual does not breed true for its characters, it is called
  20. The scientists who rediscovered the Mendel's laws are
  21. In the Operon concept, the regulator gene regulates chemical reactions in the cell by
  22.  A person meets with an accident and great loss of blood has occurred. There is no time to analyse…
  23. A giant chromosome having many chromo-nemata lying side by side all along their length is called
  24. Exhibition of superiority by a hybrid over both of its parents is called
  25. Reverse transcription was discovered by
  26.  A chemical mutagen is
  27. The possibilities of hereditary and evolutionary changes are greatest in species that reproduce by
  28. The number of characters investigated by Mendel was
  29. DNA duplication occurs in
  30. The first person to induce mutations was