Genetic disorders may be classified into three major categories: (1) single gene disorders, (2) chromosome disorders, and (3) multifunctional disorders or the complex diseases.
Two examples of each categories, still following the orders above are: (1) Huntington's disease and cystic fibrosis, (2) Down's syndrome and Jacobsen symdrome, and (3) heart diseases and variations of cancers.
Washing your hands is a healthy decision
It would be best to take it to a vet and ask if he has anything on him, or if he is going through some sort of emotional state
1) Light clothes like a T shirt, vest
2) sweat pants or shorts
3) running shoes