SAT Subject Prep Videos
Principles of Heredity II Tutoring Videos
"We know today that there are many exceptions to Mendel's laws (ie not every gene has alleles that are strictly dominant or recessive). Does this mean that Mendel was "wrong"? NO, it means that we know more today about disesase, genes, and heredity than we did 150 years ago! Four of the most common exceptionss"