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The segment of DNA which participates in crossing over is known as

A. recon

B. muton

C. criston

D. replicon

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  1. How many meiosis will be required to produce 102 pollen-grains ?
  2. A functional unit of a gene which specifies synthesis of one poly-peptide is known as
  3. The condition in which only one allele of a pair is present is known as
  4. The nuclear membrane completely disappears during
  5. An offspring of two homozygous parents different from one another by alleles at only one gene locus…
  6. Mutations which are not dominant are not lost by a gene pooL This is known as
  7. If an individual does not breed true for its characters, it is called
  8.  A person meets with an accident and great loss of blood has occurred. There is no time to analyse…
  9. Crossing over in meiosis occurs in
  10. A colour-blind man marries the daughter of a colour-blind person. In their progeny
  11. The segment of DNA which participates in crossing over is known as
  12. A codon is a sequence of 3 nucleolides on
  13. The crossing of a homozygous tall plant with a dwarf would yield plants in the ratio of
  14. DNA duplication occurs in
  15. Which disease results from the genetic inability to synthesize a single enzyme ?
  16.  A chemical mutagen is
  17. Exhibition of superiority by a hybrid over both of its parents is called
  18. In a monohybrid cross the Fi ratio of a backcross is
  19. A giant chromosome having many chromo-nemata lying side by side all along their length is called
  20. Lethal genes are those which
  21. Colour blindness is caused due to
  22. Among the following which is a test cross?
  23. When two genes are situated very close to each other in a chromosome
  24. When is the sex of an offspring decided
  25. A pure tall pea plant was reared in a soil poor in nutrition and reached the size of a pure dwarf pea…
  26. The chromosomal theroy of heredity implies that
  27. The genetic constitution of an organism is known as
  28. The number of characters investigated by Mendel was
  29. Linkage is
  30. Which one of the following chemical characteristics is not common to all living beings ?