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Genetic Linkage

Autism Gene Discovery Recalls Alzheimer’s and BRCA1 Stories

Discovery of a new gene behind autism cleverly combines genetic techniques new and classic.

Autism has been difficult to characterize genetically. It is probably a common endpoint for many genotypes, and is a multifactorial (“complex”) trait. That is, hundreds of genes contribute risk to different degrees, as do environmental factors. Research reports implicate either dozens of genes in genomewide sweeps, or focus on a few genes that encode proteins that act at synapses, such as the < href="https://www.autismspeaks.org/science/grants/neuroligins-and-neurexins-autism-candidate-genes-study-their-association-synaptic-con">neuroligins and neurexins. Read More 
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