Ralph wanted to breed a pea plant that produced only purple flowers. he continued to breed purple-flower producing pea plants together over six generations. the results of ralph's selective breeding are shown above. what did the selective breeding do to the population of pea plants? a. decreased its genetic diversity b. caused a pea plant to exhibit a new characteristic c. caused a new species of pea plant to form d. increased its genetic diversitythe answer is a

Trilobal fibers were found on kidnapping victim. which of the following fibers would most likely to be trilobat? a. cotton b. nylon c. wool d. silk me

What is a codon and where is it found

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.