T Stands for Tyrosinase, in this case Tyrosinase Positive as VPI Caramel Albino it's considered a T positive Boa.
Tyrosinase Positive actually is now an out dated scientific term OCA 2 ( Oculocutaneous type 2 ) and OCA 3 ( Oculocutaneous type 3 )
Here is an Example of My VPI Caramel Albino Pink Panther Male OCA 2 Or T positive
Produced By Tracy Barker of VPI


There are other forms of T positive Boas in the Boa Hobby
These are some of the Colombian types
Boa woman Caramels (BWC)
Russian T Blonde Boas
Prodigy Boas
Paradigm is considered to fall in this category that's still not entirely clear
Then there are several Central American T Pos variations
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. . . Lar M
This Below Link is a full page definition explantion
Albino Type 1 2 & 3
The next link below is a long discussion elsewhere about this subject.
Possible Dumb Question.....
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Boas By Klevitz

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