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. An offspring of two homozygous parents different from one another by alleles at only one gene locus…
  2. A child is bom with an extra chromosome in each of its cells. This is usually the result of
  3. The segment of DNA which participates in crossing over is known as
  4. When two genes are situated very close to each other in a chromosome
  5. Down's syndrome is an example of
  6. The possibilities of hereditary and evolutionary changes are greatest in species that reproduce by
  7. Mutations which are not dominant are not lost by a gene pooL This is known as
  8. The first person to induce mutations was
  9. The term 'meiosis' was coined bv
  10. Diakinesis is characterised by
  11. Albinism in com plants is best described as
  12. The genetic constitution of an organism is known as
  13. A colour-blind man marries the daughter of a colour-blind person. In their progeny
  14. Linkage is
  15. The condition in which only one allele of a pair is present is known as
  16. Base substitutions from base analogues I are called
  17. A functional unit of a gene which specifies synthesis of one poly-peptide is known as
  18. Which disease results from the genetic inability to synthesize a single enzyme ?
  19. The nuclear membrane completely disappears during
  20. The scientists who rediscovered the Mendel's laws are
  21. How many meiosis will be required to produce 102 pollen-grains ?
  22. Transfer of a gene or genes through a virus is called
  23. Which one of the following chemical characteristics is not common to all living beings ?
  24. Klinefelter's syndrome is developed when the chromosome in male is
  25. A codon is a sequence of 3 nucleolides on
  26. The best method to determine whether an individual is homozygous or heterozygous is
  27. Linked genes may be separated by the process of
  28. Crossing over in meiosis occurs in
  29. Among the following which is a test cross?
  30.  A chemical mutagen is