Phenylthiourea, PTC, can be Taste it by some individuals but not by others. Students tested everyone in third grade to see who could taste PTC 100 students total. The ability to taste PTC is a dominant trait. 10 people in the great were unable to taste PTC

Ocean waves move up and down in circles, but transmit horizontally toward the shore.

1) what three conditions must be present for minerals to form through natural processes? 2) why are minerals considered inorganic substances? 3) how do oxides differ from other minerals that contain oxygen atoms? 4) how is a sulfide different from a sulfate? what makes native elements unique?

Error analysis: what might be the reason that some of your percentages didn't exactly match your predicted results? gametes aren't responsible for inheritance. mice don't have large litters, so the sample size was not large enough. the wrong type of mice were used.