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 ...

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 ...

Two novel hypotheses have been proposed that address the 'two-fold cost of sex': one of the biggest enigmas in the evolution of sexual reproduction. Two novel hypotheses have been proposed that ...

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 ...

As a counselor or as a member of a donor family, it is important to understand some of the themes that commonly arise with people who donated (sold) their gametes. Available research and decades of ...

IN the course of experiments on Ulva mutabilis 1 some gametophytes are occasionally found forming swarmer which copulate neither with +-gametes nor with −-gametes. These swarmers are diploid, as ...

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In most living animals, egg cells are vastly larger than sperm cells. In humans, for example, a single egg is 10 million times the volume of a sperm cell. In a new study, Northwestern University ...

Pluripotent stem cells (PSCs) can make all the tissues including gametes such as sperm and eggs. Researchers report a robust method for the generation of gametes from PSCs using the body of rats that ...