Produce antibodies against anything with a RH positive, or different blood type. Which when the antibodies attack to different blood can cause blood clots, which could be fatal.
Answer:
It is quiet simple the only way the offspring of two organism could be effected by any sort of mutation is if the mutation accrued during meiosis.
Explanation: Animal social behavior, the suite of interactions that occur between two or more individual animals, usually of the same species, when they form simple aggregations, cooperate in sexual or parental behavior, engage in disputes over territory and access to mates, or simply communicate across space.