Parthenogenesis detector
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"Parthenogenesis detector" is a title based upon conjecture.
Check the behind the scenes section, the revision history and discussion page for additional comments on this article's title.
The Y-shaped hand-held device was first known to be used by the Doctor in his tenth incarnation.
Its only known functions were to alert the Doctor of the 'birth' of Adipose as well as tracking them. (DW: Partners in Crime)