Genetics Chromosome Terminology

Dipoid, Haploid, Replicated, Homologous, Chromatids

© Tami Port

Apr 18, 2008

What do you call a duplicated chromosome? This isn't another bad science joke, but one of the many questions that relate to the jumble of genetic chromosome terms.


There is great deal of potentially confusing terminology associated with chromosomes and their number. For example, duplicated chromosomes are called 'sister chromatids' as long as they are attached, but as soon as they separate, they become 'daughter chromosomes.' And a pair of copied or replicated chromosomes are not the same as a pair of homologous chromosomes. The following articles will help you brush up on DNA lingo and detangle these and other genetic technical terms.

Articles on Chromosomes & Their Number

Ploidy - Diplod and Haploid: Chromosome Number of Somatic and Sex Cells

DNA - Duplicated and Homologues: Difference between Homologous and Replicated Chromosomes

Chromosomes & Sister Chromatids: Terms Used to Describe DNA during Cell Division


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