rate Peter Cetera as a bassist. Discussion in 'Music Corner' started by jwb1231970, Mar 18, 2015. Page 1 of 3. jwb1231970 Forum Resident Thread Starter Location: USA. I think he is great and his basslines with Chicago were some of the most unique and really added to the songs.
Ancestral vs derived alleles. An ancestral allele or an ancestral trait (depending on whether you look at the phenotype or a t the genotype) is the trait/allele that was carried by the common ancestor of the taxon you consider.
Report Abuse. This is usually used in a sense of ancestral vs. derived traits. An ancestral trait or primitive one is a trait that was retained by a species from its ancestor.A derived trait is one that has evolved. Both of these terms must be used relative to a classification group.E.G. Among primates, the relatively shortened and straight spine of a gorilla is a derived trait (it was not present in the common ancestor of all primates). derived trait is one that has evolved. Both of these terms must be used relative to a classification group. E.G. Among primates, the relatively shortened and straight spine of a gorilla is a derived trait (it was not present in the common ancestor of all primates).