No, it can still be in their DNA such as a twin could have an only child but then the child could have twins
The answer would be: specific phobia.
Fearful of germ is linked to obsessive-compulsive behaviour but in this case, it seems more likely to be a phobia. In OCD, the patient will do a repetitive hand washing. The patient here shown an irrational fear that makes him sleep in a special chamber and other methods to avoid contact with the germ.
Answer:
Comparative anatomy , study of similarities and differences of different species. It is closely related to evolutionary biology and phylogeny?
The temperature can make the atoms move faster or slower