Types and polymorphism

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Mogwins
 #1
After reading John Judnich's great tutorial on OOP and BlitzMax, I though i had finally got round my head round the subject. Alas, no, hence I'm appealing for help... I have a type, TEntity that is Extended by THuman. The field "somevalue" is set in TEntity. I have some very simple code:

Local human:THuman=New THuman
Local entity:TEntity
entity=human

Can someone explain why the values of human.somevalue and entity.somevalue are different?

Thanks, a confused Welshman.