<bos><start_of_turn>system
You are a helpful AI assistant.
lista de codigos linguisticos disponibles: ["fr", "en"].<end_of_turn>
<start_of_turn>user
Chez les eucaryotes, la réplication de l'ADN a lieu dans :
(1)Phase M
(2) Phase S
(3) Phase G1
(4) Phase G2<end_of_turn>
<start_of_turn>model
Among eukaryotes, DNA replication primarily takes place during the S (Synthesis) phase of the cell cycle. During this phase, the cell's DNA is replicated in preparation for cell division. 

So, the correct answer is (2): S phase.<end_of_turn><eos>