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image: Dogs Have a Single Genetic Origin: Study

Dogs Have a Single Genetic Origin: Study

By | July 18, 2017

A new genetic analysis contradicts a 2016 study proposing that our canine companions were domesticated from two distinct populations.

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image: Neanderthal-Human Interbreeding Got an Early Start

Neanderthal-Human Interbreeding Got an Early Start

By | July 5, 2017

Mitochondrial DNA in Neanderthal bone suggests humans first left Africa earlier than previously thought.

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The International Mouse Phenotyping Consortium aims to characterize the entire mouse genome, starting first with more than 3,300 genes. 

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image: Flycatchers’ Song Preference Linked to Genes

Flycatchers’ Song Preference Linked to Genes

By | June 14, 2017

The birds learn the songs of their conspecifics even when raised by another species.

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Research shows that human immunity develops much earlier than previously thought, but functions differently in adults.

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image: Developer of Amniocentesis Dies

Developer of Amniocentesis Dies

By | May 4, 2017

John Littlefield pioneered the use of the prenatal testing method in diagnosing genetic disorders in the womb.

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The 19th century biologist’s drawings, tainted by scandal, helped bolster, then later dismiss, his biogenetic law.

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Time-lapse imaging shows the immune cells transferring chemical signals during pigment pattern formation in developing zebrafish.

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image: Infographic: How the Zebrafish Got Its Stripes

Infographic: How the Zebrafish Got Its Stripes

By | May 1, 2017

Immune cells called macrophages shuttle cellular messages in the skin.

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By analyzing the genomes of 161 dog breeds, scientists discover how and when certain canine breeds emerged.

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