In humans lobed ears are dominant and attached ear lobes are recessive. a man with lobed ears and a woman with attached ear lobes have 8 kids together, 4 with attached ear lobes and 4 with lobed ears. which of the following statements is true about the parents?

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.

What is the compliment dna strand to the following sequence: ttgactaggcta

All phases of matter may have a fixed mass