Diakinesis is characterised by

A. crossing over

B. synapse

C. chiasmata

D. terminalization

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  1. How many meiosis will be required to produce 102 pollen-grains ?
  2. If an individual does not breed true for its characters, it is called
  3. When is the sex of an offspring decided
  4. Albinism in com plants is best described as
  5. Mutations which are not dominant are not lost by a gene pooL This is known as
  6. A codon is a sequence of 3 nucleolides on
  7. The segment of DNA which participates in crossing over is known as
  8. Some people experience PTC paper on tongue as bitter, others as tasteless. This character is hereditary…
  9. The science dealing with study of inheritance and variation is
  10. Diakinesis is characterised by
  11.  A chemical mutagen is
  12. Down's syndrome is an example of
  13. Linkage is
  14. Which one of the following chemical characteristics is not common to all living beings ?
  15. The scientists who rediscovered the Mendel's laws are
  16. In humans, an example of sex-linked trait is
  17. Lethal genes are those which
  18. A child is bom with an extra chromosome in each of its cells. This is usually the result of
  19. The possibilities of hereditary and evolutionary changes are greatest in species that reproduce by
  20. In a monohybrid cross the Fi ratio of a backcross is
  21. The genetic constitution of an organism is known as
  22. A pure tall pea plant was reared in a soil poor in nutrition and reached the size of a pure dwarf pea…
  23. Which disease results from the genetic inability to synthesize a single enzyme ?
  24. Linked genes may be separated by the process of
  25. When two genes are situated very close to each other in a chromosome
  26. DNA duplication occurs in
  27. The number of characters investigated by Mendel was
  28. Klinefelter's syndrome is developed when the chromosome in male is
  29. Dyad is
  30. Base substitutions from base analogues I are called