How large is the influence of unique environmental factors on gene expression if the DZ correlation is 22 and the MZ correlation.40? 0.60 0.48 0.68 O .30What are 3 exceptions to the def. of a gene that states it is a blueprint for a protein?

Def provided: The gene is a union of genomic sequences encodinf a coherent set of potentially overlapping functional products.

If someone could clarify I would appreciate it so much.How can it be damaging to misapply genetics to racial differences? (please answer in detail with website citation)