What is the name of the process in meiosis that causes variation to take place?​

When does dna replication(make a copy of itself)?

Compare the depth of field when focusing with low power and high power. which power has the greater depth of field?

How are the testes and ovaries similar? a. both produce sex cells. b. both connect internal reproductive organs to the exterior. c. both transport sex cells from their site of production. d. both store mature sex cells.