So our body's inability to rid itself of the mucus membrane can increase the rate of infection and lead to many other respiratory and digestive problems. And finally, let's look at Tasax disease. Taste sac disease is another example of the human, of a human autosomal recessive disease. So individuals with taste act disease typically begin showing symptoms by age one and usually die before age five. So this is a very, very dangerous type of Autosole recessive disease. Now, these individuals, individuals that are homozygous recessive, basically are individuals that lack the gene that codes for a special enzyme that breaks down fats in the brain cells of our body.