Pea plants are tall if they have the genotype tt or tt, and they are short if they have genotype tt. a tall plant is mated with a short plant.
which outcome below would indicate that the tall parent plant was heterozygous?

a. the ratio of tall offspring to short offspring is 1: 1.
b. the ratio of tall offspring to short offspring is 1: 2.
c. the ratio of tall offspring to short offspring is 2: 1.
d. none of the above

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.

Lola needs to sign 6 invitations. using stopwatch that measures time to tenths of a second, it takes lola 5.3 seconds to sign her full name. going by the accuracy of the stopwatch, which is the most accurate determination for the number of minutes lola needs to sign all 96 invitations

Agenus is a taxonomic grouping that identifies a collection of species. when a scientist discovers a new species, how is this species assigned to a genus