A SEP IRA (Simplified Employee Pension) is a retirement plan that is popular with many small business owners and self employed individuals. The 2015 SEP IRA contribution limit is $53,000 (the 2014 SEP limit is $52,000).
Meanwhile, other studies suggest that another gene, DRD4, may also play a role in traits such as shyness and anxiety. The DRD4 gene codes for a protein that binds dopamine, another chemical messenger that has powerful effects in the brain. Again, the DRD4 gene comes in two forms: a long and a short version.
Observed traits: 1  Activity: refers to the child's physical energy. 2  Regularity: also known as Rhythmicity, refers to the level of predictability in a childâs biological functions, such as waking, becoming tired, hunger, and bowel movements. 3  Initial reaction: also known as Approach or Withdrawal.