The word chromosome (/ˈkroʊməˌsoʊm, -ˌzoʊm/ ) comes from the Greek χρῶμα (chroma, "colour") and σῶμα (soma, … See more

Otto Bütschli was the first scientist to recognize the structures now known as chromosomes.
In a series of experiments beginning in the mid-1880s, Theodor Boveri gave definitive contribution… See more

The prokaryotes – bacteria and archaea – typically have a single circular chromosome. The chromosomes of most bacteria (also called genophores), can range in size from only 130,000 base pairs in the endosymbiotic bacteria Ca… See more

Each eukaryotic chromosome consists of a long linear DNA molecule associated with proteins, forming a compact complex of proteins and DNA called chromatin. Chromatin contains the vast majority of the DNA in an … See more

In general, the karyotype is the characteristic chromosome complement of a eukaryote species. The preparation and study of karyotypes is part of cytogenetics.
Although the replication and transcription of DNA is … See more