“We are working on a non-model organism that is closely related to a model ... so the researchers weren’t sure how the gene was affecting mouse hair color. To figure that out, the researchers ...

the Woolly Mouse. Using DNA and genomics technologies, scientists have modified the mice to have longer, thicker hair and an altered metabolism expected to allow them to tolerate colder ...

They nicknamed the extra-furry rodents as the "Colossal woolly mouse." Colossal Biosciences say they have edited seven genes in mice embryos to create mice with long, thick, woolly hair.