The 16p11.2 homologs fam57ba and doc2a generate certain brain and body phenotypes.

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Researchers used zebrafish to study how two specific genes found in the 16p11.2 deletion region (fam57ba and doc2a) work together to cause symptoms like seizures, hyperactivity, larger head size, and increased body size—helping scientists better understand why these features appear in people with the 16p11.2 deletion.