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. Linkage is
  2. Transfer of a gene or genes through a virus is called
  3. The scientists who rediscovered the Mendel's laws are
  4. DNA duplication occurs in
  5. A child is bom with an extra chromosome in each of its cells. This is usually the result of
  6. A codon is a sequence of 3 nucleolides on
  7. Exhibition of superiority by a hybrid over both of its parents is called
  8. An offspring of two homozygous parents different from one another by alleles at only one gene locus…
  9. Which one of the following chemical characteristics is not common to all living beings ?
  10. The term 'meiosis' was coined bv
  11. In humans, an example of sex-linked trait is
  12. The condition in which only one allele of a pair is present is known as
  13. The science dealing with study of inheritance and variation is
  14. Base substitutions from base analogues I are called
  15. Lethal genes are those which
  16.  A chemical mutagen is
  17. Chromosomes exhibit minimum coiling during
  18. Dyad is
  19. The genetic constitution of an organism is known as
  20. Diakinesis is characterised by
  21. The nuclear membrane completely disappears during
  22. Colour blindness is caused due to
  23. A giant chromosome having many chromo-nemata lying side by side all along their length is called
  24. Some people experience PTC paper on tongue as bitter, others as tasteless. This character is hereditary…
  25. The chromosomal theroy of heredity implies that
  26. The best method to determine whether an individual is homozygous or heterozygous is
  27. The first person to induce mutations was
  28.  A person meets with an accident and great loss of blood has occurred. There is no time to analyse…
  29. The number of characters investigated by Mendel was
  30. Among the following which is a test cross?