Consider this argument: "when caitlin was six years old she told her mom that in school she wanted to learn how come babies grew up to look like their parents. the science that deals with that is genetics. therefore, when she was a little girl caitlin had already announced that she planned to major in genetics." that argument is an example of

The answer to this quesiton is the fallacy of false reference
the fallacy of false reference refers to a reference with false argument that would eventually lead to false conclusion.
Other example of this:
"parents see their boy playing with dolls one time. They believed that this boy identify as a girl and started to inject hormones to his body."  - This is a false conclusion because there are many other reasons why the boy could be playing with the dolls.