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Gap genes

点击量:   时间:2019-03-07 09:12:03

IF YOU’RE one of the 20 per cent of the population with gaps in your teeth you can blame it on your genes. After studying 43 members of a Houston family with missing molars, researchers from the University of Texas and Baylor College of Medicine found that the missing teeth are linked with a mutation in the gene PAX9 —(Nature Genetics, vol 24, p 18). It is one of the genes that help to determine body shape and to form organs in the womb. One of the researchers, Rena D’Souza,