The beginning of life may be a miracle to some, and a mystery to others, but it is certainly one of the most exciting and perhaps controversial fields of scient

Eggs of all animals contain mRNAs and proteins that are supplied to or deposited in the egg as it develops during oogenesis. These maternal gene products regula

Four of the major animal systems studied for the mechanisms of their early embryonic development are treated in this volume. The articles address the specific q