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The number of characters investigated by Mendel was

A. four

B. seven

C. six

D. one

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  1. Klinefelter's syndrome is developed when the chromosome in male is
  2. Linked genes may be separated by the process of
  3. A giant chromosome having many chromo-nemata lying side by side all along their length is called
  4. The genetic constitution of an organism is known as
  5. The segment of DNA which participates in crossing over is known as
  6. A functional unit of a gene which specifies synthesis of one poly-peptide is known as
  7. In humans, an example of sex-linked trait is
  8. Which disease results from the genetic inability to synthesize a single enzyme ?
  9. Mutations which are not dominant are not lost by a gene pooL This is known as
  10.  A person meets with an accident and great loss of blood has occurred. There is no time to analyse…
  11. DNA duplication occurs in
  12. If an individual does not breed true for its characters, it is called
  13. Exhibition of superiority by a hybrid over both of its parents is called
  14. A pure tall pea plant was reared in a soil poor in nutrition and reached the size of a pure dwarf pea…
  15. How many meiosis will be required to produce 102 pollen-grains ?
  16. The condition in which only one allele of a pair is present is known as
  17. Chromosomes exhibit minimum coiling during
  18. Transfer of a gene or genes through a virus is called
  19. The number of characters investigated by Mendel was
  20.  A chemical mutagen is
  21. The term 'meiosis' was coined bv
  22. The chromosomal theroy of heredity implies that
  23. The possibilities of hereditary and evolutionary changes are greatest in species that reproduce by
  24. An offspring of two homozygous parents different from one another by alleles at only one gene locus…
  25. The nuclear membrane completely disappears during
  26. Which one of the following chemical characteristics is not common to all living beings ?
  27. Among the following which is a test cross?
  28. Albinism in com plants is best described as
  29. The scientists who rediscovered the Mendel's laws are
  30. Base substitutions from base analogues I are called