In pea plants, green pods are dominant to yellow pods and round seeds are dominant to wrinkled seeds. if a plant that is heterozygous for green pods and has wrinkled seeds is crossed to a plant that has yellow pods and is heterozygous for round seeds, what is the probability of getting an offspring that has yellow pods and wrinkled seeds?

Which is an advantage of having memory cells when a pathogen is encountered for a second time. a) the memory cells are what proliferate into clones of cells in response to the binding of an antigen. b) memory cells are vital to the primary immune response in that they immediately recognize pathogens even at the first encounter. c) memory cells are essentially effector cells that are short lived and attack antigens even without having a receptor specific to that antigen. d) it ensures that more lymphocytes with a receptor specific to a particular antigen will be present than in a host that had never encountered that pathogen.

For a comparative or experimental investigation, scientists often make a testable about a scientific question, and then they test it in the investigation. a. control b. hypothesis c. procedure d. system

Beth’s hygrometer is reading a temperature of 30 c and a relative humidity of 65%. the humidity in the air is?