Selin Eda Sagnak

Four colourful cartoon people stand in a line, each with an opening inside their chest displaying a set of chromosomes. The second person in line has an additional set of chromosomes and patches of a different colour on their body, representing chimerism.

Can we trust DNA? — Lydia Fairchild’s story

DNA is a unique biological molecule often referred to as the building block of life. In today’s society, identification of organisms or their relationships depends on DNA: For instance, determining someone’s identity from forensic evidence or conducting blood relation tests relies on an individual’s unique DNA sequence. This connection can be seen in our lives in situations like court cases and even as common as television shows! We trust the certainty of DNA to guide us in times of uncertainty.