For Their Family Tree Projects, Students Were Required to Trace

For their family tree projects, students were required to trace their inheritance back to previous generations through both their family's male and female lines. Leaving aside the ethnocentrism of the assumption that each student understood their lineage in this way, what kinds of lineages did the exercise produce?

A) bilateral.
B) bimodal.
C) matripatrilineal.
D) avuncular.
E) dual.