Home

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. When is the sex of an offspring decided
  2. The first person to induce mutations was
  3. DNA duplication occurs in
  4. Linkage is
  5. In a monohybrid cross the Fi ratio of a backcross is
  6. The nuclear membrane completely disappears during
  7. Crossing over in meiosis occurs in
  8. In humans, an example of sex-linked trait is
  9. A giant chromosome having many chromo-nemata lying side by side all along their length is called
  10. The condition in which only one allele of a pair is present is known as
  11. When two genes are situated very close to each other in a chromosome
  12. The science dealing with study of inheritance and variation is
  13. Which disease results from the genetic inability to synthesize a single enzyme ?
  14. The crossing of a homozygous tall plant with a dwarf would yield plants in the ratio of
  15. Lethal genes are those which
  16. The possibilities of hereditary and evolutionary changes are greatest in species that reproduce by
  17. Klinefelter's syndrome is developed when the chromosome in male is
  18. Among the following which is a test cross?
  19.  A person meets with an accident and great loss of blood has occurred. There is no time to analyse…
  20. In the Operon concept, the regulator gene regulates chemical reactions in the cell by
  21. The number of characters investigated by Mendel was
  22. An offspring of two homozygous parents different from one another by alleles at only one gene locus…
  23. How many meiosis will be required to produce 102 pollen-grains ?
  24. Colour blindness is caused due to
  25. Albinism in com plants is best described as
  26. The term 'meiosis' was coined bv
  27. Linked genes may be separated by the process of
  28. A codon is a sequence of 3 nucleolides on
  29. The segment of DNA which participates in crossing over is known as
  30. The scientists who rediscovered the Mendel's laws are