All you would have to do is sum them up cause their going the same direction.
Running water both beach answers and valleys
A. In prophase I, tetrads of homologous chromosomes form and crossing over occurs
hope this helps :)
Answer:
Explanation:
Gene expression is a tightly regulated process that allows a cell to respond to its changing environment. It acts as both an on/off switch to control when proteins are made and also a volume control that increases or decreases the amount of proteins made.
