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If an individual does not breed true for its characters, it is called

A. homozygote

B. allelomorph

C. hybrid

D. ecotype

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  1. Down's syndrome is an example of
  2. The chromosomal theroy of heredity implies that
  3. A pure tall pea plant was reared in a soil poor in nutrition and reached the size of a pure dwarf pea…
  4. Linked genes may be separated by the process of
  5. Which disease results from the genetic inability to synthesize a single enzyme ?
  6. The condition in which only one allele of a pair is present is known as
  7. Exhibition of superiority by a hybrid over both of its parents is called
  8. In a monohybrid cross the Fi ratio of a backcross is
  9. Dyad is
  10. Linkage is
  11. How many meiosis will be required to produce 102 pollen-grains ?
  12. Among the following which is a test cross?
  13. In the Operon concept, the regulator gene regulates chemical reactions in the cell by
  14. Transfer of a gene or genes through a virus is called
  15. The scientists who rediscovered the Mendel's laws are
  16.  A person meets with an accident and great loss of blood has occurred. There is no time to analyse…
  17. The possibilities of hereditary and evolutionary changes are greatest in species that reproduce by
  18. The number of characters investigated by Mendel was
  19. Albinism in com plants is best described as
  20.  A chemical mutagen is
  21. In humans, an example of sex-linked trait is
  22. A child is bom with an extra chromosome in each of its cells. This is usually the result of
  23. Chromosomes exhibit minimum coiling during
  24. The segment of DNA which participates in crossing over is known as
  25. Mutations which are not dominant are not lost by a gene pooL This is known as
  26. A functional unit of a gene which specifies synthesis of one poly-peptide is known as
  27. Colour blindness is caused due to
  28. Base substitutions from base analogues I are called
  29. Lethal genes are those which
  30. The first person to induce mutations was