Mendel studied "factors" that allowed for physical characteristics, which can have alternate versions, to be passed onto offspring. What are these factors called? plants traits alleles phenotypes.

c ig

explanation:

where is the options

d. i assume the underlined word is "role." reformat if it isn't.

explanation:

role is closest to part because when replacing words, "playing a vital decision," "playing a vital activity," and "playing a vital dollar" don't make logical sense. the only meaningful choice is "playing a vital part."

this fits one of merriam-webster's definitions of role: "a function or part performed especially in a particular operation or process."

answera tendency to view the world through a single perspective;