You can choose whether replies to emails are grouped in conversations, or if each email shows up in your inbox separately on the Gmail app from your Android, iPhone or iPad.

For additional details, refer to the Group emails into conversations Google support article.

1. Open the Gmail app on your mobile device.
2. With your UMD account selected, tap the Menu button in the top search bar.
   
3. Scroll down and tap Settings.
4. Under Inbox, tap Inbox Customizations.
   
5. Next to Conversational view, uncheck the box to turn off conversation view. 
   
6. The settings will update and Gmail will reset. Tap Got It to confirm your settings. Conversation view will now be turned off.