Re: Autosomal Analysis Question #dna


Jeffrey Herrmann
 

A recent paper on the question of genetic determination of facial features found

We still don’t have a complete answer to this question, but recent work published in Nature Genetics by our collaborative research team has identified more than 130 chromosomal regions associated with specific aspects of facial shape....

While more than 130 chromosomal regions may seem like a large number, we are likely only scratching the surface. We expect that thousands of such regions – and therefore thousands of genes – contribute to facial appearance. Many of the genes at these chromosomal regions will have such small effects, we may never have enough statistical power to detect them.

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