Home

The possibilities of hereditary and evolutionary changes are greatest in species that reproduce by

A. fission

B. budding

C. asexual means

D. sexual means

You can do it
  1. In the Operon concept, the regulator gene regulates chemical reactions in the cell by
  2. How many meiosis will be required to produce 102 pollen-grains ?
  3. The condition in which only one allele of a pair is present is known as
  4. Colour blindness is caused due to
  5. A colour-blind man marries the daughter of a colour-blind person. In their progeny
  6. The number of characters investigated by Mendel was
  7. The first person to induce mutations was
  8. Which one of the following chemical characteristics is not common to all living beings ?
  9. Albinism in com plants is best described as
  10. Exhibition of superiority by a hybrid over both of its parents is called
  11. Down's syndrome is an example of
  12. Which disease results from the genetic inability to synthesize a single enzyme ?
  13. Klinefelter's syndrome is developed when the chromosome in male is
  14. Linked genes may be separated by the process of
  15. An offspring of two homozygous parents different from one another by alleles at only one gene locus…
  16. Chromosomes exhibit minimum coiling during
  17. Linkage is
  18. A codon is a sequence of 3 nucleolides on
  19. The crossing of a homozygous tall plant with a dwarf would yield plants in the ratio of
  20. Crossing over in meiosis occurs in
  21. Transfer of a gene or genes through a virus is called
  22. Mutations which are not dominant are not lost by a gene pooL This is known as
  23. When is the sex of an offspring decided
  24. Reverse transcription was discovered by
  25. Dyad is
  26. If an individual does not breed true for its characters, it is called
  27. In humans, an example of sex-linked trait is
  28. A functional unit of a gene which specifies synthesis of one poly-peptide is known as
  29.  A chemical mutagen is
  30. The scientists who rediscovered the Mendel's laws are