No, parent is correct. https://en.wikipedia.org/wiki/It_takes_two_to_tango https://en.wikipedia.org/wiki/It_takes_two_to_tango The meaning of this expression

No, parent is correct. https://en.wikipedia.org/wiki/It_takes_two_to_tango https://en.wikipedia.org/wiki/It_takes_two_to_tango The meaning of this expression has been extended to include any situation in which the two partners are by definition understood to be essential (...).