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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. A child is bom with an extra chromosome in each of its cells. This is usually the result of
  2. The science dealing with study of inheritance and variation is
  3. Albinism in com plants is best described as
  4.  A person meets with an accident and great loss of blood has occurred. There is no time to analyse…
  5. Diakinesis is characterised by
  6. The possibilities of hereditary and evolutionary changes are greatest in species that reproduce by
  7. The term 'meiosis' was coined bv
  8. The chromosomal theroy of heredity implies that
  9. The condition in which only one allele of a pair is present is known as
  10. If an individual does not breed true for its characters, it is called
  11. Linked genes may be separated by the process of
  12. Dyad is
  13. Which one of the following chemical characteristics is not common to all living beings ?
  14. Klinefelter's syndrome is developed when the chromosome in male is
  15. In a monohybrid cross the Fi ratio of a backcross is
  16. Chromosomes exhibit minimum coiling during
  17. Down's syndrome is an example of
  18. When two genes are situated very close to each other in a chromosome
  19. Transfer of a gene or genes through a virus is called
  20. A functional unit of a gene which specifies synthesis of one poly-peptide is known as
  21. A giant chromosome having many chromo-nemata lying side by side all along their length is called
  22. Lethal genes are those which
  23. Some people experience PTC paper on tongue as bitter, others as tasteless. This character is hereditary…
  24. Exhibition of superiority by a hybrid over both of its parents is called
  25. A colour-blind man marries the daughter of a colour-blind person. In their progeny
  26. An offspring of two homozygous parents different from one another by alleles at only one gene locus…
  27. DNA duplication occurs in
  28. The nuclear membrane completely disappears during
  29. Base substitutions from base analogues I are called
  30. The crossing of a homozygous tall plant with a dwarf would yield plants in the ratio of