DNA duplication occurs in

A. meiosis only

B. meiosis II and mitosis

C. mitosis only

D. meiosis I and mitosis

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  1. The chromosomal theroy of heredity implies that
  2. The first person to induce mutations was
  3. If an individual does not breed true for its characters, it is called
  4. Exhibition of superiority by a hybrid over both of its parents is called
  5. Diakinesis is characterised by
  6.  A chemical mutagen is
  7. DNA duplication occurs in
  8.  A person meets with an accident and great loss of blood has occurred. There is no time to analyse…
  9. Klinefelter's syndrome is developed when the chromosome in male is
  10. In a monohybrid cross the Fi ratio of a backcross is
  11. When is the sex of an offspring decided
  12. A child is bom with an extra chromosome in each of its cells. This is usually the result of
  13. Chromosomes exhibit minimum coiling during
  14. A pure tall pea plant was reared in a soil poor in nutrition and reached the size of a pure dwarf pea…
  15. When two genes are situated very close to each other in a chromosome
  16. How many meiosis will be required to produce 102 pollen-grains ?
  17. Reverse transcription was discovered by
  18. Down's syndrome is an example of
  19. The science dealing with study of inheritance and variation is
  20. Albinism in com plants is best described as
  21. The genetic constitution of an organism is known as
  22. The scientists who rediscovered the Mendel's laws are
  23. Transfer of a gene or genes through a virus is called
  24. Linked genes may be separated by the process of
  25. The condition in which only one allele of a pair is present is known as
  26. Among the following which is a test cross?
  27. Crossing over in meiosis occurs in
  28. Mutations which are not dominant are not lost by a gene pooL This is known as
  29. A functional unit of a gene which specifies synthesis of one poly-peptide is known as
  30. Some people experience PTC paper on tongue as bitter, others as tasteless. This character is hereditary…