No, the size of the genome has not changed, but the number of genes we thought it contains certainly has. After lots of double checking, there are fewer known protein coding genes today (~19,000) than there were when the human genome was first published, and even that...
Chromosomal recombination is an essential part of the life cycle of all sexually reproducing organisms. Yet, the system is complex, involving hundreds to thousands of proteins and RNAs. It also involves DNA repair pathways, which are themselves incredibly complex. The...
Notes, links, and things to think about: Hinch et al. 2011. The landscape of recombination in African Americans. Nature 476:170–177, 2011. Eberle et al. 2017. A reference dataset of 5.4 million human variants validated by genetic inheritance from sequencing a...
Egyptian culture is thousands of years old, yet they never maintained perfect isolation from the nations among whom they lived. They have been conquered and they themselves have conquered many times. Invading armies brought hordes of soldiers, who would have left...
Recent Comments