Wolf-Hirschhorn is a rare genetic disorder that your baby gets when part of chromosome 4 is deleted. It happens when cells divide abnormally during reproduction. When any part of a chromosome is ...

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 ...

The stages outlined in the following example show a cell with a diploid chromosome number of four (two sets of two chromosomes) undergoing cell division. The replicated chromosomes are not visible ...