DNA is negatively charged, due to the phosphate groups in its phosphate-sugar backbone ... the DNA becomes highly compacted into the classic metaphase chromosomes that can be seen with a light ...
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 ...
B chromosomes manipulate cell division for survival, and new research identifies key genes, including DCR28, involved in this ...