None of Emarn's pups look like Jiju. They all have flat coats just like their mother. I don't know why they don't take after Jiju. I asked my mother about that and she just laughed. She says that sometimes babies don't look exactly like their parents.
So then I asked Teacher Arben about it. He said it has to do with genetics and it's complicated. I went to the library and borrowed a book on genetics. I read the first couple of chapters but it was really hard. I took that one back and asked the librarian for something a little easier. She showed me a book about cats and why their colors are different. This one has a lot more pictures that show how it works. I'm copying some of my favorite ones.
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See the landing page for "Squiggles: Excerpts from Nleimen's Journal."