BRAINCAKEIndependent Segregation of Chromatids
Chromosome segregation is the process in eukaryotes by which two sister chromatids formed as a consequence of DNA replication, or paired homologous chromosomes, separate from each other and migrate to opposite poles of the nucleus.
This segregation process occurs during both mitosis and meiosis.
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Key terms in this lesson
- eukaryotic cell
- A cell that has a nucleus and membrane-bound organelles.
- mitosis
- Nuclear division that produces two daughter nuclei, each genetically identical to the parent nucleus.
- chromatid
- One of two identical copies of a chromosome, joined at the centromere, formed by DNA replication.
- homologous chromosomes
- A pair of chromosomes, one from each parent, that carry the same genes at the same loci but may carry different alleles.
- meiosis
- A type of nuclear division that produces four genetically different haploid daughter cells (gametes) from a diploid parent cell.
More in Genetic Diversity
- Meiosis
- The Process of Meiosis
- Genetic Recombination by Crossing Over
- Independent Segregation of Chromosomes
- Number of Chromosome Combinations
- Genetic Diversity
- Natural Selection
- Peppered Moths
All 19 lessons in Genetic Diversity · All AQA AS-level Biology topics