Sentences with phrase «relatively small number of genes»

The Duke researchers who made this discovery say it may help explain how a relatively small number of genes can create the dazzling array of different cell types found in human brains and the nervous systems in other animals.

Not exact matches

The studies were based on a relatively small number of participants, and a selection of genes.

«We can't say we've found everything, but we can say that the genes we're seeing fall into a relatively small number of bins, some of which are familiar, some less so,» Hahn said.

However, they were not designed to delineate regions of the genome resisting introgression nor investigate the frequency and types of genes involved in genetic incompatibilities, because they were based on a relatively small number of loci (less than 50) and the sampling of the genome was non-random (e.g. overrepresentation of the X-chromosome or regions near centromeres).

However, dog breeds generally are characterized by closed breeding and relatively isolated populations, often with a small number of founders and popular sires whose gene pool is overrepresented in modern - day progeny.