Question

In the late 1800s, mendel predicted the existence of units of hereditary information or factors. what do we call these units oof hereditary information today?

Answer 1

Today, we call these units of hereditary information GENES.
A gene is a sequence of DNA which code for a molecules that has a specific function. It is the unit of heredity which is transfered from a parent to an offspring and it determines some characteristics of the offspring.