During which phase of the cell cycle does DNA replication occur? Group of answer choices

G2 phase

Cytokinesis

Synthesis/S phase

G1 phase

The probability of producing a normal child by two parents who are carriers for an autosomal recessive disorder is

Coral reefs support more species per unit area than any other marine environment on earth. what is one way coral reefs are important to the health of the biosphere

Radiometric dating is used to tell the absolute age of materials by studying the decay rate of radioactive isotopes. the decay rates of isotopes are constant and are expressed as .