No genetic test can say whether a person has autism, but it may point to a cause for the condition or for any related complications.

Two new studies point to the possibility of detecting autism mutations before birth — along with all the ethical and logistical problems that may bring.

Certain repeated stretches of DNA that are linked to the expansion of the primate brain may also enhance autism traits.

A pair of maps that depict variation in the human genome may help reveal the genetic roots of autism.

A group of the world’s leading geneticists is calling for a moratorium on the editing of DNA in human embryos.

Problems with the minute ‘factories’ that yield energy for cells — the mitochondria — may contribute to learning problems and other traits of fragile X syndrome.

Scientists have created five monkey clones, all carrying an edit to a specific gene.

An experimental compound that blocks two enzymes involved in gene expression improves social behavior in young mice.