Mitosis: Chromosome Number Consistency
Mitosis is a fundamental process of cell division where a single parent cell divides to produce two genetically identical daughter cells.
The primary goal of mitosis is to ensure that each new daughter cell receives an exact copy of the parent cell's genetic material.
Chromosome Comparison in Mitosis
- During the cell cycle, specifically during the S phase, the DNA (and thus the chromosomes) in the parent cell is replicated.
- In mitosis, these replicated chromosomes are carefully separated, with one complete set distributed to each new daughter cell.
- Consequently, the daughter cells have the same number and type of chromosomes as the original parent cell. This maintains the diploid (2n) or haploid (n) state of the cell line.
Therefore, the chromosomes in the daughter cells are identical in number to those in the parent cell.
Important Questions from Biology
Which of the following statements about living and non-living being is/are correct?
1. While living being can demonstrate growth and repair, non-living being cannot.
2. While living being demonstrates metabolic processes, non-living being does not.
Select the correct answer using the code given below.Movement of materials to different parts of cytoplasm and nucleus is generally carried out by
The gaseous product of a process in plants is a requirement for another vital process that releases energy. Given below are four combinations of the process and product. Identify the correct answer.
Which one of the following cell organelles may play a role in expelling excess water and wastes in case of unicellular organisms?
Transformation of meristematic cells into specific permanent tissues occurs by the process of
