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The term 'meiosis' was coined bv

A. Herting and Van Beneden

B. Sutton and Boveri

C. Hofmeister and Waldeyer

D. Farmer and Moore

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  1. How many meiosis will be required to produce 102 pollen-grains ?
  2. Chromosomes exhibit minimum coiling during
  3. Diakinesis is characterised by
  4. Dyad is
  5. In humans, an example of sex-linked trait is
  6. If an individual does not breed true for its characters, it is called
  7. Linked genes may be separated by the process of
  8. Mutations which are not dominant are not lost by a gene pooL This is known as
  9. Albinism in com plants is best described as
  10. A pure tall pea plant was reared in a soil poor in nutrition and reached the size of a pure dwarf pea…
  11. The condition in which only one allele of a pair is present is known as
  12. A functional unit of a gene which specifies synthesis of one poly-peptide is known as
  13. Linkage is
  14. An offspring of two homozygous parents different from one another by alleles at only one gene locus…
  15. Down's syndrome is an example of
  16. The genetic constitution of an organism is known as
  17. Transfer of a gene or genes through a virus is called
  18. Reverse transcription was discovered by
  19. Lethal genes are those which
  20. The nuclear membrane completely disappears during
  21. Colour blindness is caused due to
  22. Which one of the following chemical characteristics is not common to all living beings ?
  23. The possibilities of hereditary and evolutionary changes are greatest in species that reproduce by
  24. The segment of DNA which participates in crossing over is known as
  25. The number of characters investigated by Mendel was
  26. Among the following which is a test cross?
  27. Klinefelter's syndrome is developed when the chromosome in male is
  28. A codon is a sequence of 3 nucleolides on
  29. Which disease results from the genetic inability to synthesize a single enzyme ?
  30. The crossing of a homozygous tall plant with a dwarf would yield plants in the ratio of