During fertilization, chromosomes segregate in a random manner. During mitosis, sister chromatids joined by a centromere separate from each other and then travel to opposite cell poles.
Chromosomes, chromatids and mitosis
A chromatid can be defined as an identical half part of a replicated chromosome.
Chromosomes are linear fragments of DNA, which segregate during cell division (mitosis and meiosis).
Mitosis is a type of cell division where a parent cell divides to produce two genetically identical daughter cells.
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