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How many meiosis will be required to produce 102 pollen-grains ?

A. 25

B. 25.6

C. 26

D. 26.5

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  1. A colour-blind man marries the daughter of a colour-blind person. In their progeny
  2. Exhibition of superiority by a hybrid over both of its parents is called
  3. Lethal genes are those which
  4. The genetic constitution of an organism is known as
  5. The scientists who rediscovered the Mendel's laws are
  6. Diakinesis is characterised by
  7. A functional unit of a gene which specifies synthesis of one poly-peptide is known as
  8. Chromosomes exhibit minimum coiling during
  9. Which one of the following chemical characteristics is not common to all living beings ?
  10. Linkage is
  11. A child is bom with an extra chromosome in each of its cells. This is usually the result of
  12. If an individual does not breed true for its characters, it is called
  13. The segment of DNA which participates in crossing over is known as
  14. Albinism in com plants is best described as
  15. Mutations which are not dominant are not lost by a gene pooL This is known as
  16. The chromosomal theroy of heredity implies that
  17. A giant chromosome having many chromo-nemata lying side by side all along their length is called
  18. The best method to determine whether an individual is homozygous or heterozygous is
  19. When is the sex of an offspring decided
  20. Klinefelter's syndrome is developed when the chromosome in male is
  21. The possibilities of hereditary and evolutionary changes are greatest in species that reproduce by
  22. Some people experience PTC paper on tongue as bitter, others as tasteless. This character is hereditary…
  23. In the Operon concept, the regulator gene regulates chemical reactions in the cell by
  24. The science dealing with study of inheritance and variation is
  25.  A person meets with an accident and great loss of blood has occurred. There is no time to analyse…
  26. Base substitutions from base analogues I are called
  27. Transfer of a gene or genes through a virus is called
  28.  A chemical mutagen is
  29. In humans, an example of sex-linked trait is
  30. How many meiosis will be required to produce 102 pollen-grains ?