Mendel studied "factors" that allowed for physical characteristics, which can have alternate versions, to be passed onto offspring. What are these factors called? ( I already know that it isn't traits fro my quiz)
1. plants
2. traits
3. alleles
4. phenotypes
PLEASE HURRY

Point charges q1 = 51 µc and q2 = −27 µc are placed 1.0 m apart, with q2 on the right. what is the force (in n) on a third charge q3 = 19 µc placed midway between q1 and q2? (assume the positive direction is to the right. indicate the direction with the sign of your answer.)