Autoimmune means your immune system cannot tell the difference between these foreign invaders and your body's healthy tissues and creates autoantibodies that attack and destroy healthy tissue ("auto" means "self"). These autoantibodies cause inflammation, pain, and damage in various parts of the body.
Change the words add a beat and yeah
So let's make p = dominant allele and q = recessive allele
p+q = 1, and (p+q)^2 = 1^2 thus
p^2 + 2pq + q^2 = 1, where p^2 = homozygous dominant, 2pq = heterozygous, and q^2 = homozygous recessive
So if p = .84, then q = 1-.84 = .16
a) recessive phenotype = q^2 = (.16)^2 = .0256
= 2.6%
b) dominant allele = p = .84 = 84%
c) heterozygous genotype = 2pq = 2(.84)(.16)
= .269 = 26.9%
They use homologous structures as base of classification
