The different types of twins are classified by zygosity, or how many fertilized eggs (zygotes) develop into fetuses. Because they develop from a single egg that is fertilized by a single sperm ...

Here we sought to determine if this cloning method could be adapted to use zygotes as recipients for somatic cell nuclei. In parallel, we have investigated a related issue: the developmental ...

This study presents an enhanced nuclease prime editor (uPEn) that significantly improves gene knock-in and knockout ...