These are created by transferring nuclei containing DNA from human cells into animal eggs that have had almost all of their genetic information removed. The resulting embryos are more than 99% ...

As viewed from a human perspective ... certain sex cells are created. If you're male, your body uses meiosis to create sperm cells; if you're female, it uses meiosis to create egg cells.

Media reports generally mention only two ways to produce human embryonic stem cells. Both techniques—the first using spare embryos from fertility clinics, the second involving cloning—are ...

The earliest days after fertilization, once a sperm cell meets an egg, are shrouded in scientific mystery ... "We want to know how cells organize themselves into an embryo-like model, and what could ...

Egg cells are the largest single cells on the ... at this issue than has ever been possible before." In a typical human cell, it takes only 10 to 15 seconds for a typical protein molecule to ...

About 100 cells divide every second in our body. A key protein in cell division is a protein kinase termed Plk1, because it activates other proteins involved in this process. Plk1 is also ...

In a potential breakthrough for infertility and genetic disease treatments, scientists at Kyoto University have succeeded in mass-generating precursors to sperm and eggs from human iPS cells.

It began with a sperm, the smallest cell in the human body, fusing with the biggest cell… an egg. Every day, the human male produces hundreds of millions of DNA torpedoes, otherwise known as sperm.

The Department of Molecular and Human Genetics at ... embryo is a excellent model to better understand the process of cooperative cell migration. Border cells (marked in green) migrate from the ...

Construction began for a first-of-its-kind scientific research facility for human cell lineage in Guangzhou, capital of ...