Reprogramming of the epigenome in mammals occurs in both the germline and the early developing embryo. Some regions of the epigenome appear to escape this process. Parentally imprinted genes are not ...

Gametes are an organism's reproductive cells. They are also referred to as sex cells. Female gametes are called ova or egg cells, and male gametes are called sperm. Gametes are haploid cells, and each ...

This workshop will explore the in vitro derivation of human gametes (eggs and sperm) from stem cells. Sessions will consider scientific and clinical goals motivating research in this field, technical ...

Quick Take Sudan, the last male northern white rhino, died, underscoring extinction and the emotional toll on caretakers.

Researchers at Max Planck Institute for Biology Tübingen and Kobe University discovered populations of female brown algae that reproduce from unfertilized gametes and thrive without males. In a study ...

A case in which a sperm donor was later found to be carrying a cancer-causing pathogenic variant in his gametes has highlighted the problems of regulating gamete donation at European and international ...

Scientists from Nagoya University, Yokohama City University and Chubu University have developed a system which enables the live imaging of the formation of the female gamete in plants. In flowering ...

Let’s call him B.D., because that’s what his wife does on her infertility blog, Shooting Blanks. Several years ago, the 36-year-old learned he was azoospermatic. It means his body makes no sperm at ...

There are those, politicians, pundits and even a few scientists, who maintain that whether our bodies make ova or sperm are all we need to know about sex. They assert that men and women are defined by ...

In a landmark change, the central government amended the surrogacy laws in India last week. Overturning the ban on donor gametes made in March 2023, the centre has now allowed couples to use donor ...

Paco Garcia-Gonzalez receives funding from the Australian Research Council, The University of Western Australia, the Spanish Ministry of Economy and the European Regional Development Fund. Damian ...

The donor family can include: Egg, sperm, or embryo donor (and their family). Parent (or prospective parent). Donor-conceived person (and their family). Donor conception has become very common over ...