Best Answer: Genotype frequencies are the frequencies of the homozygous dominant (AA) heterozygous (Aa) and homozygous recessive (aa). If you're using population genetics, then they are the p^2, 2pq, and q^2 values.
Petrified fossil is an organism that has been converted into stone.  Silica, iron and copper minerals can be commonly found in petrified  fossils.
A. fossil (latin for  obtained by digging ) is the preserved remains or traces of organisms (plants, animals, etc) that lived in the distant past.ossil (latin for  obtained by digging ) is the preserved remains or traces of organisms (plants, animals, etc) that lived in the distant past.