What happens when an MP defects?

Robert Jenrick's defection prompted a lot of listener questions. So we'll try to answer them!

Last week Robert Jenrick dramatically defected to Reform after being booted out of the Conservatives by a furious Kemi Badenoch.

The Tory leader claimed that she had "irrefutable evidence" that Jenrick had been planning to defect in "the most damaging way possible". So she sacked him from the government and removed the Conservative whip.

This prompted a lot of listeners to write in to Daily Politics with questions about the Jenrick defection, the future of...