What Genetic Concept(s) Do You Think Are the Hardest for the Students to Grasp?

What Genetic Concept(s) Do You Think Are the Hardest for the Students to Grasp?
Trends Genet. 2018 Feb 09;:
Authors:
PMID: 29433762 [PubMed - as supplied by publisher]

Source: Trends in Genetics : TIG - February 9, 2018 Category: Genetics & Stem Cells Tags: Trends Genet Source Type: research