Which of the following statements best describes the relationship between sex chromosomes and autosomes in humans?
A. Sex chromosomes are only found in males while autosomes are found in both sexes.
B. Sex chromosomes are found in both sexes while autosomes are only found in females.
C. Sex chromosomes are found in diploid cells while autosomes are in haploid cells.
D. Sex chromosomes are found in haploid cells while autosomes are in diploid cells.

12) several teeth were found in an area of flat land covered with trees and plants. the teeth were examined by a paleontologist, and it was determined that the teeth came from a shark. they found many other shark teeth in this area. however, the people who discovered the teeth were puzzled, because there was no source of water near where the fossils were found. what is the paleontologist's best explanation for why the teeth were found in this area? a) sharks used to live on flat land. b) this area was once covered with salt water. c) this area was once covered with freshwater. d) someone buried the shark teeth deep in the ground.