In the earliest hours after fertilization, an embryo takes its first steps toward becoming a living organism by shedding maternal control and activating its own genetic program. This critical process, ...

The development of an embryo is one of the most fundamental processes in biology. Early in this process, it is determined ...

Biologists have provided new insights on a longstanding puzzle in biology: How complex organisms arise from a single fertilized cell. Producing a new 'gene atlas' with 4-D imaging, the researchers ...

A University of California, Riverside study reports that cells in the earliest stages of human development could be ...

The sperm and the egg cell's nuclei compete for size directly after fertilization and this is necessary for proper embryonic ...

Over half of our genomes consists of thousands of remnants of ancient viral DNA, known as transposable elements, which are widespread across the tree of life. Once dismissed as the "dark side" of the ...

Researchers have identified Nr1h2, a critical transcription factor essential for early embryo development. Their findings enhance our understanding of gene regulation during blastoid formation and ...

Transposable elements are stretches of DNA that can move around the genome. Many of these DNA sequences originate from long ago, when viruses inserted their genetic material into our ancestors' ...

NEW YORK -- New lab techniques have provided the first good look at a crucial but mysterious stage in the development of human embryos, scientists reported Wednesday. The researchers said follow-up ...

3D rendered flourescent animation of a very early mouse embryo at around 5.5 days post fertilisation. The embryo has been labelled with two flourescent markers, one highlights the cell nuclei (Dapi) ...