The condition in which only one allele of a pair is present is known as

A. Homozygous

B. Heterozygous

C. Hemizygous

D. Incomplete dominance

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  1. The science dealing with study of inheritance and variation is
  2. Albinism in com plants is best described as
  3. Linked genes may be separated by the process of
  4. Mutations which are not dominant are not lost by a gene pooL This is known as
  5. A pure tall pea plant was reared in a soil poor in nutrition and reached the size of a pure dwarf pea…
  6. Colour blindness is caused due to
  7. Among the following which is a test cross?
  8. Reverse transcription was discovered by
  9. Which disease results from the genetic inability to synthesize a single enzyme ?
  10. Transfer of a gene or genes through a virus is called
  11. Lethal genes are those which
  12. In a monohybrid cross the Fi ratio of a backcross is
  13. When is the sex of an offspring decided
  14. Dyad is
  15. The condition in which only one allele of a pair is present is known as
  16. The scientists who rediscovered the Mendel's laws are
  17. Exhibition of superiority by a hybrid over both of its parents is called
  18. If an individual does not breed true for its characters, it is called
  19. Chromosomes exhibit minimum coiling during
  20. Some people experience PTC paper on tongue as bitter, others as tasteless. This character is hereditary…
  21. The number of characters investigated by Mendel was
  22. The chromosomal theroy of heredity implies that
  23. In humans, an example of sex-linked trait is
  24. Which one of the following chemical characteristics is not common to all living beings ?
  25. The genetic constitution of an organism is known as
  26. The best method to determine whether an individual is homozygous or heterozygous is
  27. A functional unit of a gene which specifies synthesis of one poly-peptide is known as
  28. A codon is a sequence of 3 nucleolides on
  29. When two genes are situated very close to each other in a chromosome
  30. Klinefelter's syndrome is developed when the chromosome in male is