(Phys.org)—A trio of researchers with Trinity University in Texas has found that the development of dimorphism (physical differences between male and females of the same species) in songbirds appears to have been most strongly ...
The expression of a gene involved in female birds' color vision is linked to the evolution of colorful plumage in males, reports a new study from the University of Chicago. The findings, published Nov. 26 in the Proceedings ...
Plants & Animals
Nov 25, 2014
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Bee researchers at Heinrich Heine University Düsseldorf (HHU) headed by Professor Dr. Martin Beye have identified a new gene in honeybees, which is responsible for the dimorphic eye differentiation between males and females ...
Evolution
Feb 13, 2023
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135
Researchers at UGR and the Spanish National Research Council have discovered that the differences between the jaw bones of males and females are different between meso-, dolico- or braqui-facial patterns—the three types ...
Archaeology
May 2, 2016
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For generations, scientists have relied on a handful of organisms to study the fundamentals of biology. The usual suspects—fruit flies, zebrafish, and mice, among others—all have short lifespans, small body size, can ...
Plants & Animals
Dec 22, 2021
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Plaster handprints from kindergarten, handprint turkeys, handprints outside Grauman's Chinese Theater in Hollywood—are all part of modern life, but ancient people also left their handprints on rocks and cave walls. Now, ...
Archaeology
Oct 15, 2013
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Anatomical and behavioral differences distinguish males and females in many extant and extinct animals. For instance, male peacocks have a large and flashy tail, whereas females are smaller and less brightly colored. Male ...
Plants & Animals
May 27, 2015
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A multicellular green alga, Volvox carteri, may have finally unlocked the secrets behind the evolution of different sexes. A team led by researchers at the Salk Institute for Biological Studies has shown that the genetic ...
Cell & Microbiology
Apr 15, 2010
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In the world of science, one of the most exciting things a researcher can do is pin down an answer to a widely asked question. This experience came early for Carleton University graduate Thomas Cullen, who made a discovery ...
Evolution
Feb 19, 2014
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(Phys.org)—Indiana University biologists Teiya Kijimoto, Justen Andrews and Armin Moczek say it's time to chalk another one up for doublesex, the master regulatory gene at the terminus of the sex determination pathway that ...
Plants & Animals
Nov 30, 2012
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