To assume the risk of a danger, the plaintiff must: a. engage in a per se negligent act. b. fully understand the nature and extent of the risk. c. have involuntarily, but foolishly, exposed himself to an unknown danger. d. none of the above.

The lineage of pea plants produced round seeds for four generations. the plants that fertilized these pea plants also produced round seeds. however, in the fifth generation, the plant produced to two plants with wrinkled seeds. can that be possible?