4 different types of allele combination would be possible
RY,
ry,
Ry,
rY
Answer:
A.
Explanation:
I've had to answer this before
In order to create a hydroelectric power plant, you need water, hence the prefix hydro-. Most times, people use dams to block the water, which in a way stores it. When you need to produce electricity, you release some of the water which flows through a turbine making it spin, which then activates a generator to produce electricity.