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Linked genes may be separated by the process of

A. gene mutation

B. segregation

C. crossing over

D. polyploidy

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  1. Colour blindness is caused due to
  2. Crossing over in meiosis occurs in
  3. Mutations which are not dominant are not lost by a gene pooL This is known as
  4. Dyad is
  5. Some people experience PTC paper on tongue as bitter, others as tasteless. This character is hereditary…
  6. How many meiosis will be required to produce 102 pollen-grains ?
  7. The possibilities of hereditary and evolutionary changes are greatest in species that reproduce by
  8. An offspring of two homozygous parents different from one another by alleles at only one gene locus…
  9. The crossing of a homozygous tall plant with a dwarf would yield plants in the ratio of
  10. Diakinesis is characterised by
  11. Albinism in com plants is best described as
  12. Chromosomes exhibit minimum coiling during
  13. The science dealing with study of inheritance and variation is
  14. The best method to determine whether an individual is homozygous or heterozygous is
  15. The segment of DNA which participates in crossing over is known as
  16. A giant chromosome having many chromo-nemata lying side by side all along their length is called
  17. A codon is a sequence of 3 nucleolides on
  18. Lethal genes are those which
  19. Reverse transcription was discovered by
  20. The nuclear membrane completely disappears during
  21. Exhibition of superiority by a hybrid over both of its parents is called
  22. When two genes are situated very close to each other in a chromosome
  23. A functional unit of a gene which specifies synthesis of one poly-peptide is known as
  24. In humans, an example of sex-linked trait is
  25. Which one of the following chemical characteristics is not common to all living beings ?
  26. The condition in which only one allele of a pair is present is known as
  27. The scientists who rediscovered the Mendel's laws are
  28.  A chemical mutagen is
  29. The number of characters investigated by Mendel was
  30. A child is bom with an extra chromosome in each of its cells. This is usually the result of