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.
Fossils â Vocabulary Word Definition Amber Hardened tree sap Fossils are often found in amber Cast A fossil made inside a mold. Extinct No longer existing in living form. Dinosaurs are extinct. Fossil The imprint or remains of organisms that lived long ago. Fossil Fuels Fuels or materials burned for energy that are formed from the remains of plant and animals. Imprint Shallow prints or marks in solid rock. After I pressed my thumb into the clay, I could see the imprint of it there.