First chromosome made synthetically from yeast

Work is major step toward lab-created eukaryotic life-form

RISE UP  Baker’s yeast, Saccharomyces cerevisiae, seen under a microscope, ferment fruit and grain into alcohol and make bread rise. Now researchers have taken the first step toward making a synthetic version of the organism that may perform feats regular yeast never could.

Masur/Wikimedia Commons

Designer organisms have crept closer to reality.