Narrow down
Watson and Crick built the double helix model in 1953 by combining model building, Chargaff's base ratios and Rosalind Franklin's X-ray diffraction data, including Photograph 51.
Starter thread · AI-reviewed against its sources
CRISPR uses a guide RNA to lead a Cas enzyme, usually Cas9, to a matching DNA sequence. The enzyme cuts the DNA, and the cell's own repair process then changes the sequence.
Starter thread · AI-reviewed against its sources
Octopuses use ADAR enzymes to convert adenosine to inosine in their RNA, which ribosomes read as guanine. This changes many proteins without altering the DNA.
Starter thread · AI-reviewed against its sources
Mitochondria descend from free-living bacteria that came to live inside an ancestral host cell. How the bacterium got in, and what the host was, are still debated.
Starter thread · flagged for a person to review
The claim is a loose way of saying many human genes have distant counterparts in bananas. Estimates run from about 25% to 60% depending on method, and shared DNA is far lower, around 1%.
Starter thread · AI-reviewed against its sources
Handedness is shaped partly by many genes, each with a small effect, and partly by chance variation in early development. No single cause or left-handedness gene exists.
Starter thread · AI-reviewed against its sources
