Plz help me with this question

Dna is colied into chromosomes in a cell

Compare the depth of field when focusing with low power and high power. which power has the greater depth of field?

2. if someone had the list of traits you provided in question 1, do you think he or she would be able to find you in a group of 1000 people? why or why not? if not, what other information encoded in your genes might distinguish you from the others in the group? what are other traits that are encoded for by dna?