The crossing of a homozygous tall plant with a dwarf would yield plants in the ratio of

A. all heterozygous tall

B. two tall and two dwarf

C. one homozygous tall, two heterozygous tall and one homozygous dwarf

D. all homozygous dwarf.

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  1. The best method to determine whether an individual is homozygous or heterozygous is
  2. The number of characters investigated by Mendel was
  3. Among the following which is a test cross?
  4. Albinism in com plants is best described as
  5. The term 'meiosis' was coined bv
  6.  A chemical mutagen is
  7. Down's syndrome is an example of
  8. The segment of DNA which participates in crossing over is known as
  9. In the Operon concept, the regulator gene regulates chemical reactions in the cell by
  10. Exhibition of superiority by a hybrid over both of its parents is called
  11. Which disease results from the genetic inability to synthesize a single enzyme ?
  12. A pure tall pea plant was reared in a soil poor in nutrition and reached the size of a pure dwarf pea…
  13. The nuclear membrane completely disappears during
  14. If an individual does not breed true for its characters, it is called
  15. A child is bom with an extra chromosome in each of its cells. This is usually the result of
  16. Linkage is
  17. Crossing over in meiosis occurs in
  18. How many meiosis will be required to produce 102 pollen-grains ?
  19. The chromosomal theroy of heredity implies that
  20. The science dealing with study of inheritance and variation is
  21. Base substitutions from base analogues I are called
  22. Which one of the following chemical characteristics is not common to all living beings ?
  23. Linked genes may be separated by the process of
  24. A giant chromosome having many chromo-nemata lying side by side all along their length is called
  25. A functional unit of a gene which specifies synthesis of one poly-peptide is known as
  26. A colour-blind man marries the daughter of a colour-blind person. In their progeny
  27. In humans, an example of sex-linked trait is
  28. Klinefelter's syndrome is developed when the chromosome in male is
  29. Chromosomes exhibit minimum coiling during
  30. Diakinesis is characterised by