How is mitochondrial DNA (mtDNA) typing used in forensic science?

Most of the fossils found in virginia are in the coastal plain, valley, ridge, and appalachian plateau regions, best suggesting that these geographic provinces a) were once covered by seawater. b) are the oldest parts of virginia. c) have a great deal of karst topography. d) have large amounts of sedimentary rock.

When analyzing tree rings, what do scientists assume a thin ring indicates?

Acquired mutations can result from radiation pollution toxins inheritence select all that apply