Which event marks the beginning of dna replication? formation of replication bubble unwinding of dna helix formation of replication fork

How does this experiment explain why it is often milder in areas such as coastal maryland while areas such as kansas or iowa have more extremes in temperature

Amniocentesis is a process in which amniotic fluid is taken from the mother's womb to identify any genetic abnormalities in the fetus. how would the discovery of the human genome contribute to this process?

Achange in direction without a change in speed is called velocity