Navigate

In ‘S’ phase of the cell cycle:

In ‘S’ phase of the cell cycle:

Options

(a) amount of DNA doubles in each cell.
(b) amount of DNA remains same in each cell.
(c) chromosome number is increased
(d) amount of DNA is reduced to half in each cell.

Correct Answer:

amount of DNA is reduced to half in each cell.

Explanation:

During S or synthesis phase , replication or duplication of chromosomal DNA and synthesis of histone proteins takes place . During this time the amount of DNA per cell doubles.

AIPMT2014
admin:

Related Questions

  1. Steps of respiration are controlled by
  2. In bony vertebrates, the formation of bone is often preceded by the presence of a
  3. In Bougainvillea thorns are the modifications of
  4. Minerals known to be required in large amounts for plant growth include :
  5. In how many steps CO is released in aerobic respiration of pyruvic acid