Describe the two laws Mendel formulated from his research. What was Mendel experimental design, what was his study model, and what was the advantage of this study model?

Describe the two laws Mendel formulated from his research. What was Mendel experimental design, what was his study model, and what was the advantage of this study model?
What are the evolutionary implications of gene duplication in formation of gene families?
Describe how methylation patterns occur in male and female somatic and germ cells, which results in epigenetic heredity. Provide an example.
Discuss the influence of the environment on gene expression, and how can it determine expressivity?