Doctor Who's female iteration of the Master proved a Time Lord can change their gender, but there is one former Doctor that doesn't believe the series' title character should make the switch.

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Peter Davison, the man behind the Fifth Doctor, believes the traditionally male role should continue to be dominated by those with a 'Y' chromosome.

"I speak now as a fan who grew up watching it," Davison told ABC. "I have trouble with the idea of a female Doctor, only because I reckon if you're born on Gallifrey a man, you're probably a male Time Lord."

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According to the Brit, the 2005 reboot of the classic series depends on an unsure Time Lord and his strong-willed female companion. To reverse the roles would allegedly put the female actor in a weaker role.

"It seems to me if you reverse that, if you have an uncertain, fallible female Doctor with a really strong male companion, you've got more of a stereotype than anything else," Davison explained.

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