How do scientists find their way around a chromosome? With chromosome maps called idiograms, researchers can pinpoint the locations of genes and locate abnormal gene forms. Aa Aa Aa Most ...

Chromosome abnormality is the condition in a cell or organism where the number of chromosomes or the structure of any chromosome differs from the normal karyotype. When the variant genotype is not ...

7 It therefore appeared reasonable to investigate systematically the chromosomes in a group of patients to determine if any abnormalities could be found in this condition. Constitutional aplastic ...

A megabase is 1 million bases Chromosome maps (eg, 22q11 ... Chromosomal (cytogenetic) abnormalities Alterations of chromosomes that can be seen under a microscope Aneuploidy Loss of 1 of a ...

But the approach overlooked the impact of large-scale chromosomal abnormalities and how they might affect gene function and cancer cell behavior. While sequencing DNA purified from bulk tumor samples ...

The goal of prenatal cytogenetic testing is to provide reassurance to the couple seeking testing for their pregnancy, identify chromosome abnormalities in the fetus, if present, and provide ...

Now that certain human disorders have been linked with chromosome abnormalities, it is desirable to examine large numbers of cells for such abnormalities. A computer regime has been devised for ...

The study, published today in Nature, discovered that at least 3% of normal cells from breast tissue in 49 healthy women contain a gain or loss of chromosomes, a condition known as aneuploidy, and ...