In guinea pigs, black fur color is dominant and brown fur color is recessive. Several matings between the same male black guinea pig and female brown guinea pig produce a total of 30 black guinea pigs and no brown guinea pigs. What are the genotypes of the parents?

A. Bb x Bb
B. BB x bb
O C. Bb x bb
D. BB x BB

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.

What was the land like over 500 million years ago? what was under the sea?

Moving down the ramp from 6 meters to