Explaining this sort of phenomenon by slight, successive modification, as Darwin envisaged, seems problematic.
Source: The Wonders of Genomic Acrobatics: Ciliated Protozoa as a Case Study | Evolution News
Explaining this sort of phenomenon by slight, successive modification, as Darwin envisaged, seems problematic.
Source: The Wonders of Genomic Acrobatics: Ciliated Protozoa as a Case Study | Evolution News