Answer:
The 2nd set of steps.
Explanation:
You'll need to cut the string so you can put the beads on. And the loose knot is so the beads don't fall off as you string them. And of course at the end you need to tie the ends together.
The yon tree is quite distant
yon: over there; in that direction.
Your answers would be chromosome and gene!
I think that the answer is 10 + 2
The answer to your question is
A