The scientists who rediscovered the Mendel's laws are

A. Mast and Pantin

B. Watson and Crick

C. Corren, Tschermark and Hugo de Vries

D. Khorana and Nirenberg

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  1. Klinefelter's syndrome is developed when the chromosome in male is
  2. The segment of DNA which participates in crossing over is known as
  3. A colour-blind man marries the daughter of a colour-blind person. In their progeny
  4. In a monohybrid cross the Fi ratio of a backcross is
  5. The genetic constitution of an organism is known as
  6. Colour blindness is caused due to
  7. The chromosomal theroy of heredity implies that
  8. Which one of the following chemical characteristics is not common to all living beings ?
  9. Transfer of a gene or genes through a virus is called
  10. Reverse transcription was discovered by
  11. Exhibition of superiority by a hybrid over both of its parents is called
  12. A pure tall pea plant was reared in a soil poor in nutrition and reached the size of a pure dwarf pea…
  13.  A person meets with an accident and great loss of blood has occurred. There is no time to analyse…
  14. Diakinesis is characterised by
  15. When two genes are situated very close to each other in a chromosome
  16. The possibilities of hereditary and evolutionary changes are greatest in species that reproduce by
  17. Mutations which are not dominant are not lost by a gene pooL This is known as
  18. A functional unit of a gene which specifies synthesis of one poly-peptide is known as
  19. Dyad is
  20. A child is bom with an extra chromosome in each of its cells. This is usually the result of
  21. A codon is a sequence of 3 nucleolides on
  22. The term 'meiosis' was coined bv
  23. Down's syndrome is an example of
  24.  A chemical mutagen is
  25. Base substitutions from base analogues I are called
  26. A giant chromosome having many chromo-nemata lying side by side all along their length is called
  27. Which disease results from the genetic inability to synthesize a single enzyme ?
  28. Lethal genes are those which
  29. Chromosomes exhibit minimum coiling during
  30. Some people experience PTC paper on tongue as bitter, others as tasteless. This character is hereditary…