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.
____ 5. Petrified wood is an example of what type of fossil? a. unaltered remains c. cast b. altered remains d. trace fossil ____ 6. The footprints of a dinosaur are an example of what type of fossil? a. unaltered remains c. carbonized remains b. mold d. trace fossil ____ 7. Which of the following is important if an organism is to become a fossil?