A giant chromosome having many chromo-nemata lying side by side all along their length is called

A. megachromosome

B. heterosome

C. polytene chromosome

D. super numerary chromosome

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  1. Which one of the following chemical characteristics is not common to all living beings ?
  2. The term 'meiosis' was coined bv
  3. A colour-blind man marries the daughter of a colour-blind person. In their progeny
  4. The crossing of a homozygous tall plant with a dwarf would yield plants in the ratio of
  5. DNA duplication occurs in
  6. The nuclear membrane completely disappears during
  7. In humans, an example of sex-linked trait is
  8. In the Operon concept, the regulator gene regulates chemical reactions in the cell by
  9. Among the following which is a test cross?
  10. A child is bom with an extra chromosome in each of its cells. This is usually the result of
  11. The best method to determine whether an individual is homozygous or heterozygous is
  12. If an individual does not breed true for its characters, it is called
  13. The condition in which only one allele of a pair is present is known as
  14. Exhibition of superiority by a hybrid over both of its parents is called
  15. Mutations which are not dominant are not lost by a gene pooL This is known as
  16. The first person to induce mutations was
  17. An offspring of two homozygous parents different from one another by alleles at only one gene locus…
  18. Diakinesis is characterised by
  19. Klinefelter's syndrome is developed when the chromosome in male is
  20. When is the sex of an offspring decided
  21. Linkage is
  22. Lethal genes are those which
  23. Dyad is
  24. In a monohybrid cross the Fi ratio of a backcross is
  25. A codon is a sequence of 3 nucleolides on
  26. Down's syndrome is an example of
  27. A functional unit of a gene which specifies synthesis of one poly-peptide is known as
  28. The chromosomal theroy of heredity implies that
  29. Reverse transcription was discovered by
  30. The science dealing with study of inheritance and variation is