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tag chickens developmental biology evolution
Dino Snouts from Chicken Beaks
Bob Grant
| May 12, 2015
| 2 min read
Researchers tweak gene expression in chicken embryos that may have been crucial to the evolutionary transition from dinosaur noses to bird bills.
Image of the Day: See You Later!
The Scientist
and The Scientist Staff
| Jan 8, 2018
| 1 min read
Developmental biologists take a close look at how alligator embryos grow.
Evolution by Splicing
Ruth Williams
| Dec 20, 2012
| 3 min read
Comparing gene transcripts from different species reveals surprising splicing diversity.
Why Many Birds Don’t Have Penises
Kate Yandell
| Jun 7, 2013
| 2 min read
In avian species, a gene induces programmed cell death during development in the area where a phallus would otherwise grow.
Behavior Brief
Rina Shaikh-Lesko
| Apr 28, 2014
| 4 min read
A round-up of recent discoveries in behavior research
Embryonic Evolution Through Ernst Haeckel’s Eyes
Diana Kwon
| May 1, 2017
| 2 min read
The 19th century biologist’s drawings, tainted by scandal, helped bolster, then later dismiss, his biogenetic law.
Unearthing the Evolutionary Origins of Insect Wings
Jef Akst
| Apr 4, 2022
| 6 min read
A handful of new studies moves the needle toward a consensus on the long-disputed question of whether insect wings evolved from legs or from the body wall, but the devil is in the details.
The Inside Guide: The Gut Microbiome’s Role in Host Evolution
Catherine Offord
| Jul 1, 2021
| 10+ min read
Bacteria that live in the digestive tracts of animals may influence the adaptive trajectories of their hosts.
What Lies Sleeping
Philippe Mourrain
| Mar 1, 2016
| 4 min read
Why can science still not define this most basic biological process?
Genetics Models Move Beyond
Drosophila
and the Humble Lab Mouse
Amber Dance
| Sep 1, 2019
| 8 min read
Organisms with unusual genomes are helping scientists investigate gene regulation, evolution, and development.
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