Mammalian offspring inherit two versions, or alleles, of each gene, with one allele from each biological parent. However, gene expression is tightly regulated and certain genes undergo the phenomenon of "genomic imprinting," ...
Molecular & Computational biology
Jan 4, 2022
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118
What's wrong with the supermarket tomato? Consumers say they lack flavor, so a University of Florida researcher led a global team on a mission to identify the important factors that have been lost and put them back into modern ...
Biotechnology
Jan 26, 2017
2
954
Some populations of frogs are rapidly adapting to a fungal pathogen called Batrachochrytrium dendrobatridis (Bd) that has decimated many populations for close to half a century and causes the disease chytridiomycosis, according ...
Plants & Animals
Apr 11, 2016
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26
R2d2 is selfish. It is a true selfish gene. It propagates itself through generations but not for some evolutionary advantage. Quite the opposite.
Evolution
Feb 24, 2016
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134
Imagine a pair of twins that everyone believed to be estranged, who turn out to be closer than anyone knew. A genetic version of this heartwarming tale might be taking place in our cells. We and other mammals have two copies ...
Cell & Microbiology
Mar 5, 2015
0
57
Bee colonies consist of a queen bee, lots of female worker bees and some male drones. The gene that determines the sex of the bees is much more complex than has been assumed up until now and has developed over the course ...
Plants & Animals
Oct 31, 2013
0
0
(Phys.org) —With estimates of losing 15 to 40 percent of the world's species over the next four decades – due to climate change and habitat loss, researchers ponder in the Sept. 26 issue of Nature whether science should ...
Ecology
Sep 25, 2013
2
0
Whitehead Institute researchers have used the gene regulation system CRISPR/Cas to engineer mouse genomes containing reporter and conditional alleles in one step. Animals containing such sophisticated engineered alleles can ...
Cell & Microbiology
Aug 29, 2013
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0
(Phys.org) —To live together harmoniously in our bodies, cells need to be able to distinguish which of those among them are sanctioned residents and which are interlopers. This way, native cells can be left alone to do ...
Cell & Microbiology
Aug 1, 2013
1
0
How a group of animals can abandon sex, yet produce more than 460 species over evolutionary time, became a little less mysterious this week with the publication of the complete genome of a bdelloid rotifer (Adineta vaga) ...
Biotechnology
Jul 22, 2013
0
1
