Which way does time run on this tree?

Question 2 options:

From root to branch tip

Across branch tips, from left to right

We can't tell time from this tree

answer; autosomal;

answer: d. load

a river's load refers to the natural phenomena in which the sediments, rocks   stones, boulders and other deposits are removed and picked from the bottom bed of the river due to the abrasion resulted by the high speed water current.