For decades, scientists viewed the genome of a newly fertilised egg as a structural ‘blank slate’ – a disordered tangle of DNA waiting for the embryo to ‘wake up’ and […]
embryo
Posted inFossils & Paleontology
Fossilized Embryos More Than 500 Million Years Old
The Cambrian Period is a time when most phyla of marine invertebrates first appeared in the fossil record. Also dubbed the “Cambrian explosion,” fossilized records from this time provide glimpses […]