Review - A Bookmark
Il Pa
RUS 7h Su Genetics 1 (20-21) 1 11 of 21
A hybrid short hair guinea pig and a long haired guinea pig are in the same cage and have several litters, totaling 36 offspring with a
variety of fur lengths. In guinea pigs, short hair is dominant to long hair. Which of the following is the best estimate of the total offspring
that could have short hair?
o A. 8 of the offspring could have short hair
OB. 19 of the offspring could have short hair
O
c. 33 of the offspring could have short hair
D. 2 of the offspring could have short hair

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

Which organelle plays a role in intracellular digestion?