3. The ability to taste the drug phenylthioearbamide is attributable to a dominant gene. A non-
taster man marries a taster woman whose father was a non-taster?
a. What will be the expected genotypes of their four children?
b. What could have been the genotype of this woman's mother?

surface mining destroys mountain tops, landscapes, forests and wildlife habitats. on top of that, it leads to soil erosion and destruction of agricultural land. the landscape changes can also disrupt river channels and streams, which leads to flooding. which, can destroy plant life and other animals as well.

explanation:

i thinking chemical change