A single strand of DNA forms a chromosome ... The DNA of one of a fruit fly's chromosomes, for example, would be 12 times longer than the fly if it could be stretched out. That's quite amazing ...

Genes exist in most cells. Inside a cell is a long strand of the chemical DNA (deoxyribonucleic acid). A DNA sequence is a specific lineup of chemical base pairs along its strand. The part of DNA ...

DNA is a complex molecule that consists of two strands coiled around each other to form a double helix structure. Comparison of a single-stranded RNA and a double-stranded DNA with their corresponding ...