By Danielle Ryan, Special to CNN
October 30, 2014 -- Updated 1846 GMT (0246 HKT)
Genetic research has been used to treat all kinds of disorders and diseases.
STORY HIGHLIGHTS
(CNN) -- Researchers have found dozens of new genes that may play a role in causing autism, according to two studies published Wednesday in the medical journal Nature.
Scientists identified 60 genes with a greater than 90% chance of increasing a child's autism risk. Previous research has yielded only 11 genes that had been confirmed with this level of certainty.
Though other studies have shown the importance of genetics in the development of autism, experts say these new studies zero in on the exact nature of the genetic mutations that cause the disorder.
The researchers say these genes appear to be clustering around three sets of key biological functions.
The first set focuses on the development of synapses in the brain, which are responsible for all kinds of communication between nerves. The second set is responsible for the creation of genetic instructions, and the third is responsible for DNA packaging within cells.
Each of these functions could have an effect on the individual that would cause the traits commonly associated with autism, according to one of the studies.
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Gene advance for spotting autism