Tags » Drosophila
Spatially varying selection shapes life history clines among populations of Drosophila melanogaster from sub-Saharan Africa
I picked this paper on a whim as it looked like it dealt in genetics and ecology, but not in the phylogeographic sense that I am usually drawn to. 921 more words
Here’s a basic question: How does your body know what size to make your heart?
The process of how your body decides during development what size your organs and part should be, called scaling, has been a sort of grey zone in animal development for a long time. 468 more words
Well, maybe this is why college board scores have declined so much in recent decades that they’ve been normed upwards. Given sequential MRI studies on brain changes throughout adolescence (with more to come), we know that it is a time of synapse elimination. 417 more words
By David O’Brochta
A report recently published in Science describes a system by which one can introduce mutations into insect genomes and have those mutations quickly spread to all of the mutant’s progeny, and to all of their progeny’s progeny, and so on.The new system does not follow the standard rules of chromosome and gene transmission. 525 more words