(redirected from Chromosomal abnormality)
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1. A linear strand of DNA and associated proteins in the nucleus of eukaryotic cells that carries the genes and functions in the transmission of hereditary information.
2. A circular strand of DNA in bacteria and archaea that contains the hereditary information necessary for cell life.

chro′mo·so′mal (-sō′məl), chro′mo·so′mic (-sō′mĭk) adj.
chro′mo·so′mal·ly adv.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.chromosomal - of or relating to a chromosome; "chromosomal defect"


[ˌkrəʊməˈsəʊməl] ADJcromosomático, cromosómico


a. cromosómico-a, rel. al cromosoma;
___ aberrationsaberraciones ___ -s.


adj cromosómico
References in periodicals archive ?
The first one happens between weeks 11 and 14 of pregnancy, together with a blood test that determines whether or not the baby has a high risk of having a chromosomal abnormality.
The most common chromosomal abnormality identified was Down's syndrome (77.
Between 50 and 80 percent of embryos created for in vitro fertilization have a chromosomal abnormality and result in miscarriage, rather than developing into a pregnancy.
Patients in whom the test fails should be informed that they are at high risk for a chromosomal abnormality.
This process allows the reproductive endocrinologist to select only chromosomally healthy embryos for replacement with the aim of increasing the chance of successful implantation, reducing spontaneous abortion, minimising the chance for a fetus to have a chromosomal abnormality and enhancing delivery rates for assisted reproduction.
The nuchal translucency (NT), which is the fluid behind the foetal neck, is measured between 11-14 weeks to determine the risk of the foetus having not only a chromosomal abnormality, but also cardiac, other structural abnormality in the foetus, or a genetic disorder.
Reciprocal translocation is the most common chromosomal abnormality found in 1 in 500 people (11).
Newcastle University researchers have discovered a link between a rare chromosomal abnormality and a form of childhood leukaemia.
At age 35, the chance of having a baby with Down syndrome is 1 in 380, but the chance of having any chromosomal abnormality detectable by karyotype is 1 in 190.
It takes a lot of resources for scientists to find a group of people with a specific genetic disease or chromosomal abnormality and collect samples and medical information from each person each time a new research study is to be performed.
According to the company, the clinical laboratory evaluation and validation process ensures accurate, reliable clinical laboratory services, among the most rigorous quality control standard in the country and allows all physicians residing in the state of New York to recommend the verifi prenatal test to patients at high-risk of having a child with a chromosomal abnormality.