Explain onset of genetic expression. What are a few examples of diseases.
What can be concluded from this?
Genetic expression refers to the fact that some genes are expressed at different times such as prenatal, teen, adult.
Some diseases such as huntington's disease or tay sachs are examples. The diseases aren't seen until the mutant gene is expressed.
Demonstrates that gene products play an essential role at certain life stages, internal physiological environment changes with age.