Is this morally wrong? For the first time, researchers have created a model embryo without using sperm or an egg. It could revolutionise medical science — but some are worried about what is next.
Replica embryo made without sperm or egg
How to make an embyro: Stem cells, rather than an egg and sperm, were used to create the synthetic embryo. Glossary
Embryo - A fertilised egg that is developing into a foetus.
Bokanovskified - In the novel Brave New World, the Bokanovsky process is a method of human reproduction. Fertilised eggs are split into identical copies to create a large, identical workforce.
Stem cells - Unspecialised cells that have the ability to develop into different types of cell.
Commodification - Turn something into a product to sell.
Princeton University - A well-known Ivy League university in the USA.