Best Answer: This is a great question. What makes an allele recessive is nearly always that it has a loss of function mutation. This means that that allele either produces no protein product, or one so altered that it cannot perform its job.
The Aggies competed in the Big 12 until joining the Southeastern Conference (SEC) on July 1, 2012. Texas A&M's official school colors are maroon and white. The teams are referred to as Aggies and the mascot is a Rough Collie named Reveille.
Anyway, in 1954, Peanut M&Ms were introduced. Initially made only in the tan color, these tasty delights (my favorite variation) sparked the advertising decision to portray M&Ms as sentient beings.