22 points and brainliestwhich types of cells remain in the body, ready to attack a pathogen that re-enters the system? a. memory t and b cells b. pathogenic cells c. macrophage d. antigens

1. mendel observed that pea plants had traits, such as color, that were either “one or the other,” never something in between. discuss the correlation between mendel’s factors, what they might be, and why pea plant traits come in one form or another—e. g., gray or dark red—rather than blended.