2 Points
What must happen before meiosis can begin?
O
A. The cell membrane pinches together.
O
B. The four tetrads must be pulled apart.
O
C. DNA doubles and produces sister chromatids.
O
D. Four gametes must be produced.
SUBMIT

Ithink your answer will be c hope that’s you

The virus is considered to be are living item since they have hereditary material dnas or rnas. they can imitate and change. they respond to boosts, for example, radiation, chemicals, and warmth. they have antigenic properties. they are proficient to duplicate with a same hereditary constituent.

Mechanical energy from wind nonrenewable resource