Parthenogenesis
In most living things, fertilization occurs when the gametes of two compatible creatures are brought together. In mammals, these gametes are the (female) egg and the (male) sperm. When...
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Parthenogenesis
Parthenogenesis is a type of asexual reproduction in which offspring (progeny) arise from unfertilized eggs. The phenomenon is known among many invertebrate and vertebrate groups, incl...
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Parthenogenesis
In most living things, fertilization occurs when the gametes of two compatible creatures are brought together. In mammals, these gametes are the (female) egg and the (male) sperm. When...
Read more
Remember the spectacular South Korean stem cell fraud of a few years ago? A new analysis says the disgraced scientist actually did reach a long-sought scientific goal. It's just not the one he clai...
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A British zoo announced Wednesday the virgin birth of five Komodo dragons, giving scientists new hope for the captive breeding of the endangered species.In an evolutionary twist, the newborns' eigh...
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A procedure that encourages an egg to begin embryo development without being fertilized could suggest a new way to produce stem cells, at least for certain patients.Researchers were able to get ste...
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Veterinarian Bob George sliced open the dead shark and saw the outline of a fish. No surprise there, since sharks digest their food slowly. Then George realized he wasn't looking at the stomach of ...
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Female sharks can fertilize their own eggs and give birth without sperm from males, according to a new study of the asexual reproduction of a hammerhead in a U.S. zoo.The joint Northern Ireland-U.S...
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WASHINGTON (Reuters) - Human egg cells can be
tweaked to give rise to valued stem cells that match the tissue
types of many different groups of people, U.S. and Russian
researchers reported Wednes...
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WASHINGTON (Reuters) - A company that devised a way
to make embryonic stem cells using a technique it said does not
harm human embryos reported Thursday it has grown five
batches of cells using th...
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Gleaning stem cells from cloned monkey embryos, as a team of Oregon researchers has done, is an impressive step. But it probably won't lead to medical treatments any time soon.One hurdle is ethical...
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Gleaning stem cells from cloned monkey embryos, as a team of Oregon researchers has done, is an impressive step. But it probably won't lead to medical treatments any time soon.One hurdle is ethical...
Read more
Parthenogenesis
Parthenogenesis
Parthenogenesis
Stem cell case may have missed advance
