Read today's eNewspaper

Dr. Xiangzhong Yang

Dr. Xiangzhong "Jerry" Yang stands with dairy cows, from left, Daisy, Cathy, Betty and Amy, all cloned from the same cow and delivered from surrogate mothers. Yang established a company to export cloned embryos from prize dairy cattle to China to increase the supply of milk.
Michael McAndrews / Hartford Courant
Copyright © 2016, The Baltimore Sun, a Baltimore Sun Media Group publication | Place an Ad