Children with disabilities engage in fewer social interactions than their typically developing peers (McConkey et al., 2013). The lack of social invitations may lead to many negative outcomes in the future, including poor academic performance and aggressive-disruptive behavior (Odom, 2006). Preschool-aged children (3-5 years old) without disabilities are aware that...
Cells are constantly bombarded with mutagens, both endogenous and exogenous in origin. Endogenous sources of mutation include reactive oxygen species formed during aerobic respiration, replication errors by DNA polymerase, and spontaneous deamination and depurination (Jackson 2009). Exogenous sources of mutation include UV and ionizing radiation, aflatoxins, and polycyclic aromatic hydrocarbons...