The "thing that hangs in the back of your throat is called a UVULA, its main function is to prevent food from entering your nasal cavity
They are less likely to be separated during crossing over.
Schemas refers to a cognitive frame work which help humans to organize and give interpretations to information obtained both from within and from the external enviroment. Schema guide human cognitive processes and behaviour. Schema helps in structuring our memories by acting as a glue which hold all the information we have gathered together. Shcema is used in recognizing new experience and in relating it with old experiences. Schema affects humans' perception, encoding, memory recall, etc.