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The science dealing with study of inheritance and variation is

A. Genetics

B. Evolution

C. Morphology

D. Cytology

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  1. A functional unit of a gene which specifies synthesis of one poly-peptide is known as
  2. Linked genes may be separated by the process of
  3. Some people experience PTC paper on tongue as bitter, others as tasteless. This character is hereditary…
  4. The scientists who rediscovered the Mendel's laws are
  5. Lethal genes are those which
  6.  A chemical mutagen is
  7. The chromosomal theroy of heredity implies that
  8. A pure tall pea plant was reared in a soil poor in nutrition and reached the size of a pure dwarf pea…
  9. Mutations which are not dominant are not lost by a gene pooL This is known as
  10. Diakinesis is characterised by
  11. An offspring of two homozygous parents different from one another by alleles at only one gene locus…
  12. When two genes are situated very close to each other in a chromosome
  13. In humans, an example of sex-linked trait is
  14. Reverse transcription was discovered by
  15. Which one of the following chemical characteristics is not common to all living beings ?
  16. The best method to determine whether an individual is homozygous or heterozygous is
  17. A giant chromosome having many chromo-nemata lying side by side all along their length is called
  18. Among the following which is a test cross?
  19. Colour blindness is caused due to
  20. Base substitutions from base analogues I are called
  21. A child is bom with an extra chromosome in each of its cells. This is usually the result of
  22.  A person meets with an accident and great loss of blood has occurred. There is no time to analyse…
  23. The nuclear membrane completely disappears during
  24. How many meiosis will be required to produce 102 pollen-grains ?
  25. The possibilities of hereditary and evolutionary changes are greatest in species that reproduce by
  26. The number of characters investigated by Mendel was
  27. DNA duplication occurs in
  28. Linkage is
  29. Albinism in com plants is best described as
  30. Down's syndrome is an example of