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Horizontal Gene Transfer in Bdelloid Rotifers Questioned
Abby Olena | Jul 12, 2018
A re-analysis of sequencing data from a 2016 study of these tiny metazoans reveals possible contamination, rather than an exchange of DNA among species.
Pinpointing the Origin of Marbled Crayfish Clones
Diana Kwon | May 1, 2018
Research suggests that the invasive, all-female
originated in a German aquarium back in the 1990s.
Amazonian Fish Genome Challenges Long-Held Assumptions About Asexual Reproduction
Jim Daley | Feb 15, 2018
, an all-female fish species, has a surprisingly robust genome.
Male Fish Borrows Egg to Clone Itself
Ruth Williams | May 23, 2017
A fish created by spontaneous androgenesis is the first known vertebrate to arise naturally by this asexual reproductive phenomenon.
Report: Swellshark Capable of Asexual Reproduction
Joshua A. Krisch | Nov 28, 2016
Scientists use 12 microsatellites to watch as one captive female swellshark produces five pups without fertilization from a male.
Kerry Grens | Aug 5, 2015
Deep-sea rangeomorphs that lived more than 540 million years ago used two methods of reproduction, according to a study of fossils.
Endangered Fish Can Reproduce Without Mating
Amanda B. Keener | Jun 1, 2015
DNA fingerprinting analysis of a population of sawfish reveals evidence of asexual reproduction in the wild.
The Sex Paradox
Megan Scudellari | Jul 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?
Kate Yandell | Aug 1, 2013
What researchers are learning as they sequence, map, and decode species’ genomes
Wild and Sexless
Beth Marie Mole | Sep 17, 2012
Scientists find snakes give “virgin birth” in the wild for the first time