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The possibilities of hereditary and evolutionary changes are greatest in species that reproduce by

A. fission

B. budding

C. asexual means

D. sexual means

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  1. Diakinesis is characterised by
  2. In the Operon concept, the regulator gene regulates chemical reactions in the cell by
  3. The genetic constitution of an organism is known as
  4. Down's syndrome is an example of
  5. The scientists who rediscovered the Mendel's laws are
  6. DNA duplication occurs in
  7. A codon is a sequence of 3 nucleolides on
  8. Transfer of a gene or genes through a virus is called
  9. Which one of the following chemical characteristics is not common to all living beings ?
  10. When two genes are situated very close to each other in a chromosome
  11. The first person to induce mutations was
  12. In humans, an example of sex-linked trait is
  13. Albinism in com plants is best described as
  14. Some people experience PTC paper on tongue as bitter, others as tasteless. This character is hereditary…
  15. The term 'meiosis' was coined bv
  16. If an individual does not breed true for its characters, it is called
  17. Dyad is
  18. A colour-blind man marries the daughter of a colour-blind person. In their progeny
  19. The segment of DNA which participates in crossing over is known as
  20. Among the following which is a test cross?
  21. Klinefelter's syndrome is developed when the chromosome in male is
  22. Base substitutions from base analogues I are called
  23.  A person meets with an accident and great loss of blood has occurred. There is no time to analyse…
  24. Lethal genes are those which
  25. The nuclear membrane completely disappears during
  26. A functional unit of a gene which specifies synthesis of one poly-peptide is known as
  27. Which disease results from the genetic inability to synthesize a single enzyme ?
  28. Linked genes may be separated by the process of
  29. The science dealing with study of inheritance and variation is
  30. A pure tall pea plant was reared in a soil poor in nutrition and reached the size of a pure dwarf pea…