Theory:Alejandro's ability

Main Article Theories about Alejandro's ability Main Discussion

The following fan theories are about Alejandro's ability.

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Theories

Theory	Citations	Notes
Alejandro's ability is to reverse the effects of other abilities as well as protect Alejandro himself from those other abilities.	Alejandro manages to protect himself from the deadly side effects of Maya's ability as well as revive Nidia. (Lizards)	• So far, Maya is the only known evolved human that Alejandro has been seen with, so it remains to be seen what will happen when he encounters another ability. • The curandera who said Maya's disease was "black" was possibly another evolved human, but Alejandro didn't appear to concentrate his power in her presence.
Alejandro's has the power to absorb diseases into himself and eradicate them.	Alejandro makes the black tears disappear from Maya and Nidia. (Lizards)	+ When the blackness in Maya's eyes disappears, Alejandro's eyes turn black, and then clear. • This might only work with Maya's ability. • It is currently unknown if Maya's ability is a disease rather than a toxin or some other effect.
If Alejandro ever encounters Peter, Alejandro's ability will cure Peter of his amnesia.		• This would only be able to happen if the theory above is proven true as well as the theory of the Haitian's powers causing Peter's amnesia.
Alejandro can switch powers with Maya and vice versa. The disease must be transferred to the other twin in order to reverse effects.	Alejandro makes the black tears disappear from Maya and they enter him. (Lizards)	+ Something is transferred when Maya and Alejandro are holding each other's hands. + The blackness disappears from Maya and reappears in Alejandro's eyes.
With frequent use, this power will render Alejandro incapacitated, and might possibly kill him.	None.	+ Alejandro is visibly exhausted after "absorbing" the effects of Maya's power into him.
Alejandro's ability is limited to curing Maya's ability	None	+ Mohinder states that when one sibling has a disease, the antibodies of another sibling can be used to cure it. This would be consistent with that theory.