In an advance for treating male infertility, researchers transplanted a patient with his own sperm-forming stem cells that ...

To understand how genes are turned on and off to make different cell types ... In a mouse or human embryo, the cells that will one day produce sperm or eggs are already earmarked for that future ...

To understand how genes are turned on and off to make different cell types, you have to figure out how the DNA is folded — and which genes and enhancers are paired together. In a mouse or human embryo ...

To understand how genes are turned on and off to make different cell types ... In a mouse or human embryo, the cells that will one day produce sperm or eggs are already earmarked for that future ...

To understand how genes are turned on and off to make different cell types ... “In a mouse or human embryo, the cells that will one day produce sperm or eggs are already earmarked for that ...