nonchromosomal


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nonchromosomal

(nŏn′krō-mə-sō′məl)
adj.
Not situated on or involving a chromosome: nonchromosomal DNA.
References in periodicals archive ?
The EUROHAZCON study also looked at 21 landfill sites in Britain, France, Italy, Denmark, and Belgium that took hazardous waste in a case-control study of nonchromosomal (Dolk et al.
It's seen in Down syndrome as well as nonchromosomal abnormalities, such as cytomegalovirus and meconium ileus.
The 23 chromosomes in a sperm are more tightly packed than are the 23 in an egg, and eggs contain more nonchromosomal ingredients than do sperm.