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image: Male Fish Borrows Egg to Clone Itself

Male Fish Borrows Egg to Clone Itself

By | May 24, 2017

A fish created by spontaneous androgenesis is the first known vertebrate to arise naturally by this asexual reproductive phenomenon. 

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image: Report: Swellshark Capable of Asexual Reproduction

Report: Swellshark Capable of Asexual Reproduction

By | November 28, 2016

Scientists use 12 microsatellites to watch as one captive female swellshark produces five pups without fertilization from a male.

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image: Ancient Reproduction

Ancient Reproduction

By | August 5, 2015

Deep-sea rangeomorphs that lived more than 540 million years ago used two methods of reproduction, according to a study of fossils.

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image: Endangered Fish Can Reproduce Without Mating

Endangered Fish Can Reproduce Without Mating

By | June 1, 2015

DNA fingerprinting analysis of a population of sawfish reveals evidence of asexual reproduction in the wild.

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image: The Sex Paradox

The Sex Paradox

By | July 1, 2014

Birds do it. Bees do it. We do it. But not without a physical, biochemical, and genetic price. How did the costly practice of sex become so commonplace?

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image: Genome Digest

Genome Digest

By | August 1, 2013

What researchers are learning as they sequence, map, and decode species’ genomes

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image: Wild and Sexless

Wild and Sexless

By | September 17, 2012

Scientists find snakes give “virgin birth” in the wild for the first time

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image: Hacking the Genome

Hacking the Genome

By | June 1, 2012

In pondering genome structure and function, evolutionary geneticist Laurence Hurst has arrived at some unanticipated conclusions about how natural selection has molded our DNA.

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image: Self-cloning Coral

Self-cloning Coral

By | March 1, 2012

Coral embryos broken apart by waves can continue developing into adult clones.

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image: Coral Clones

Coral Clones

By | March 1, 2012

The colorful and fragile start to the life of a living reef

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