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The best method to determine whether an individual is homozygous or heterozygous is

A. inbreeding

B. cross-breeding

C. back-crossing

D. self-fertilization

You can do it
  1. Which one of the following chemical characteristics is not common to all living beings ?
  2. Down's syndrome is an example of
  3. When two genes are situated very close to each other in a chromosome
  4. In humans, an example of sex-linked trait is
  5. If an individual does not breed true for its characters, it is called
  6. The first person to induce mutations was
  7. A giant chromosome having many chromo-nemata lying side by side all along their length is called
  8. Diakinesis is characterised by
  9. A pure tall pea plant was reared in a soil poor in nutrition and reached the size of a pure dwarf pea…
  10. Klinefelter's syndrome is developed when the chromosome in male is
  11. The term 'meiosis' was coined bv
  12. In a monohybrid cross the Fi ratio of a backcross is
  13. Linkage is
  14. The crossing of a homozygous tall plant with a dwarf would yield plants in the ratio of
  15. The condition in which only one allele of a pair is present is known as
  16. Reverse transcription was discovered by
  17. The possibilities of hereditary and evolutionary changes are greatest in species that reproduce by
  18. Dyad is
  19. The genetic constitution of an organism is known as
  20. Linked genes may be separated by the process of
  21.  A person meets with an accident and great loss of blood has occurred. There is no time to analyse…
  22. The segment of DNA which participates in crossing over is known as
  23.  A chemical mutagen is
  24. Crossing over in meiosis occurs in
  25. An offspring of two homozygous parents different from one another by alleles at only one gene locus…
  26. The nuclear membrane completely disappears during
  27. In the Operon concept, the regulator gene regulates chemical reactions in the cell by
  28. A child is bom with an extra chromosome in each of its cells. This is usually the result of
  29. The scientists who rediscovered the Mendel's laws are
  30. The science dealing with study of inheritance and variation is