Question:

During the meiotic division, the:

Updated On: Jun 20, 2022
  • homologous chromosomes are separated
  • the linkage is disturbed
  • the homologous chromosomes do not segregate
  • all of the above
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The Correct Option is A

Solution and Explanation

Meiotic division occurs in reproductive or germ cells. Four haploid cells are produced after meiosis, which are not identical to their parent cell. In this division, homologous chromosomes forms bivalent by pairing during zygotene stage of prophase $ \text{-I} $ and during anaphase $ \text{-I,} $ homologous chromosomes of each bivalent start migrating towards opposite poles of the spindle, because of this separation of homologous chromosomes, each daughter cell receives a haploid group of segregated chromosomes.
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Concepts Used:

Cell Cycle and Cell Division

Cell Cycle:

The sequence of events by which a cell copies itself synthesizes other constituents of the cell and eventually splits into two daughter cells is termed the cell cycle. The cell synthesizes all its constituents in a sequential pattern to make sure the proper division and distribution of components that occurs between the two daughter cells. Therefore, we can say that the cell cycle is the period of time between the development of new daughter cells and their further division.

Stages of Cell Cycle:

The cell cycle can be sub-divided into an additional category of Interphase. Meanwhile, the Interphase can be branched into 3 further stages, such as:

  1. G1 Phase - “Gap 1 Phase”
  2. S Phase - "Synthesis Phase"
  3. G2 Phase - "Gap 2 Phase"

Read More: Cell Cycle and Cell Division

Cell Division:

The division of the parent cells into two or more cells is called daughter cell, cell division takes place. In general, it occurs as a part of a larger cell cycle. All the cell reproduces by dividing into two, wherein each parental cell produces two daughter cells.

Stages of Cell Division:

Cell division can be widely divided into several sub-segments that result from Mitosis and Meiosis.

  1. Mitosis or (M Phase)
  2. Meiosis