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Diakinesis is characterised by

A. crossing over

B. synapse

C. chiasmata

D. terminalization

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  1. The number of characters investigated by Mendel was
  2. Mutations which are not dominant are not lost by a gene pooL This is known as
  3. The crossing of a homozygous tall plant with a dwarf would yield plants in the ratio of
  4. When two genes are situated very close to each other in a chromosome
  5.  A chemical mutagen is
  6. Base substitutions from base analogues I are called
  7. Exhibition of superiority by a hybrid over both of its parents is called
  8. The science dealing with study of inheritance and variation is
  9. Albinism in com plants is best described as
  10. The nuclear membrane completely disappears during
  11. A child is bom with an extra chromosome in each of its cells. This is usually the result of
  12. How many meiosis will be required to produce 102 pollen-grains ?
  13. In humans, an example of sex-linked trait is
  14. In a monohybrid cross the Fi ratio of a backcross is
  15.  A person meets with an accident and great loss of blood has occurred. There is no time to analyse…
  16. Linkage is
  17. A giant chromosome having many chromo-nemata lying side by side all along their length is called
  18. Linked genes may be separated by the process of
  19. Dyad is
  20. Among the following which is a test cross?
  21. A colour-blind man marries the daughter of a colour-blind person. In their progeny
  22. The term 'meiosis' was coined bv
  23. The condition in which only one allele of a pair is present is known as
  24. The first person to induce mutations was
  25. An offspring of two homozygous parents different from one another by alleles at only one gene locus…
  26. The best method to determine whether an individual is homozygous or heterozygous is
  27. Down's syndrome is an example of
  28. In the Operon concept, the regulator gene regulates chemical reactions in the cell by
  29. Reverse transcription was discovered by
  30. Klinefelter's syndrome is developed when the chromosome in male is