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 A chemical mutagen is

A. X-rays

B. UV-rays

C. β-rays

D. 5-Bromo-Uracil

You can do it
  1. The nuclear membrane completely disappears during
  2. Transfer of a gene or genes through a virus is called
  3. Reverse transcription was discovered by
  4. The first person to induce mutations was
  5. The term 'meiosis' was coined bv
  6. The condition in which only one allele of a pair is present is known as
  7. The genetic constitution of an organism is known as
  8. Base substitutions from base analogues I are called
  9. The science dealing with study of inheritance and variation is
  10. Which disease results from the genetic inability to synthesize a single enzyme ?
  11. Exhibition of superiority by a hybrid over both of its parents is called
  12. Lethal genes are those which
  13. Some people experience PTC paper on tongue as bitter, others as tasteless. This character is hereditary…
  14. A giant chromosome having many chromo-nemata lying side by side all along their length is called
  15. The segment of DNA which participates in crossing over is known as
  16. When two genes are situated very close to each other in a chromosome
  17. The possibilities of hereditary and evolutionary changes are greatest in species that reproduce by
  18. DNA duplication occurs in
  19. A pure tall pea plant was reared in a soil poor in nutrition and reached the size of a pure dwarf pea…
  20. Among the following which is a test cross?
  21. When is the sex of an offspring decided
  22. In humans, an example of sex-linked trait is
  23. A colour-blind man marries the daughter of a colour-blind person. In their progeny
  24. Linked genes may be separated by the process of
  25. Colour blindness is caused due to
  26. Down's syndrome is an example of
  27. In the Operon concept, the regulator gene regulates chemical reactions in the cell by
  28.  A person meets with an accident and great loss of blood has occurred. There is no time to analyse…
  29. Dyad is
  30. Albinism in com plants is best described as