In Domestic Dogs and Tasmanian Devils,successful Passage and Growth of Tumors

Multiple Choice

In domestic dogs and Tasmanian devils,successful passage and growth of tumors through copulation and biting,respectively,are attributed to _____.

A) absence of quiescent cancer stem cells in the tumor
B) limited MHC diversity between animals
C) repression of tumor-specific antigen expression
D) repression of tumor-associated antigen expression
E) lack of regulatory T cells.