The unit that determines traits is the
a. chromosome.
b. chromatid.
c. gene.
d. allele.

answer; ///i believe its: ///(embolus);

you didn't give any options but heres what i can tell you: an inference is likely to change based on additional observations. the latter is something that you have seen or sensed using your sensory organs while the former is like a conclusion out from what you have observed.

it is called the mitotic spindle