Cell Division and Genetic Material in Biology
For comprehensive Biology Paper 1 topics AQA understanding, cell division and genetics are crucial concepts. The human body contains 23 pairs of chromosomes in each typical cell nucleus, with one set inherited from each parent. These chromosomes contain DNA, the molecule that carries genetic information and determines our characteristics.
Cell division through mitosis is essential for growth, repair, and tissue replacement. During this process, DNA replicates and the nucleus divides to form two genetically identical cells. Some cells, like stem cells, retain the ability to differentiate into various cell types, making them valuable for medical research and potential treatments.
Vocabulary:
- Chromosomes: Structures made of DNA that carry genetic information
- Mitosis: Cell division producing two identical daughter cells
- Differentiation: Process by which cells become specialized for specific functions
Human Nature:
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