Have you ever wondered why we carry two copies of each chromosome in all of our cells? During reproduction, we receive one from each of our parents. This means that we also receive two copies, or alleles, of each gene—one ...
Cell & Microbiology
Nov 29, 2023
0
2
Have you ever marveled at the vast diversity of life on our planet, from tiny creatures living only a few hours to majestic beings that can survive for centuries? These differences in lifespan, size, and reproductive age ...
Plants & Animals
Mar 22, 2023
0
37
Asexual reproduction is common for animals like starfish, deep-sea worms, and stick insects, but among vertebrates, it's a rarity. A process called parthenogenesis allows some female animals to fertilize an egg with their ...
Plants & Animals
Dec 15, 2022
0
53
A simple breeding experiment, combined with genetic analysis, can rapidly uncover genes that promote cooperation and higher yields of plant populations, according to a new study published November 29 in the open access journal ...
Molecular & Computational biology
Nov 29, 2022
0
31
Soybeans outmatch all other legumes as the protein powerhouses of the plant kingdom, providing a key protein source for humans and livestock around the world. And now, after 30 years, University of Illinois scientists have ...
Plants & Animals
Feb 10, 2022
1
1364
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
0
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
0
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
0
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
