Pregnancy and Childbirth

Tracking life’s first step: Two molecules ‘awaken’ brand new genome

Within hours after fertilization, a unique genome forms from chromosomes contributed by the egg and sperm. However, this new genome is initially inactive and must be ‘awakened’ to begin the transcription of its DNA and start embryonic development. How life’s first step happens has long fascinated developmental biologists.

Related posts

Maternal depressive emotion associated with children’s sleep problems


Placental function linked to brain injuries associated with autism


Sperm quality study updates advice for couples trying to conceive