But how do these DNA tests work, and how can they tell if two people are related to each other ... each of which binds to different variations of a DNA sequence. Those variations in DNA are ...

When it comes to identification with DNA, forensic scientists have two basic approaches ... extinct Neanderthals are to people today*. What is mtDNA and why is it different? Unlike nuclear DNA ...

giving two forms: RNA and DNA. In 1943, American Oswald Avery proved that DNA carries genetic information. He even suggested DNA might actually be the gene. Most people at the time thought the ...

DNA is a complex molecule that consists of two strands coiled around each other to form a double ... These mechanisms can detect and correct different types of DNA damage, such as base mismatches, ...

That’s impressive, given that the DNA packed into each of our cells has six billion letters and is two metres long. What happens next can vary. The standard Cas9 protein cuts the DNA at the target.