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The nuclear membrane completely disappears during

A. late prophase

B. early metaphase

C. metaphase

D. interphase

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  1. The crossing of a homozygous tall plant with a dwarf would yield plants in the ratio of
  2. The condition in which only one allele of a pair is present is known as
  3. Reverse transcription was discovered by
  4. A colour-blind man marries the daughter of a colour-blind person. In their progeny
  5. Lethal genes are those which
  6. Dyad is
  7. A functional unit of a gene which specifies synthesis of one poly-peptide is known as
  8. Chromosomes exhibit minimum coiling during
  9. Crossing over in meiosis occurs in
  10. Some people experience PTC paper on tongue as bitter, others as tasteless. This character is hereditary…
  11. In a monohybrid cross the Fi ratio of a backcross is
  12. Klinefelter's syndrome is developed when the chromosome in male is
  13. The science dealing with study of inheritance and variation is
  14. A giant chromosome having many chromo-nemata lying side by side all along their length is called
  15. Linkage is
  16. When two genes are situated very close to each other in a chromosome
  17. Exhibition of superiority by a hybrid over both of its parents is called
  18. Colour blindness is caused due to
  19. A codon is a sequence of 3 nucleolides on
  20. The term 'meiosis' was coined bv
  21.  A chemical mutagen is
  22. The first person to induce mutations was
  23. The best method to determine whether an individual is homozygous or heterozygous is
  24. The nuclear membrane completely disappears during
  25. A pure tall pea plant was reared in a soil poor in nutrition and reached the size of a pure dwarf pea…
  26. Base substitutions from base analogues I are called
  27. An offspring of two homozygous parents different from one another by alleles at only one gene locus…
  28. Mutations which are not dominant are not lost by a gene pooL This is known as
  29. A child is bom with an extra chromosome in each of its cells. This is usually the result of
  30. In the Operon concept, the regulator gene regulates chemical reactions in the cell by