Mitochondrial DNA (mtDNA) is actively removed during spermatogenesis in a conserved process that enforces the uniparental ...

Find out everything you've always wanted to know about identical twins – from how they form to what makes them unique.

The Soul is the essence of our existence, responsible for giving life to our physical form from conception. It is the Spark ...

The debate over when human life begins took a sharp turn in Texas, where a state legislator filed a bill that would define an ...

Background: The role of sperm DNA fragmentation index (DFI) in fertility remains controversial. Herein, we analyzed its association with semen parameters, embryonic development, and pregnancy outcomes ...

Figure 1: Overview of the imprinted domain in human 15q11–q13 and the PWS family studied. We isolated mouse oocytes following hormonal stimulation as described 19. We isolated mouse spermatozoa ...