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Speaking of the due date, the gestation period for hedgehogs is approximately 35 days. I have heard of births happening from about 33 days through to about 42, so the 35 is not absolute. Most will be within the 34-37 day range, however. This generally brings us to the end of the actual breeding topic.
The Hedgehog Signaling Pathway in Vertebrates. The hedgehog signaling pathway is a mechanism that regulates cell growth and differentiation during embryonic development, called embryogenesis, in animals. The hedgehog signaling pathway works both between cells and within individual cells. The hedgehog gene (hh) was observed in fruit flies (Drosophila melanogaster) in 1980, and later in vertebrates in 1993. Unlike flies, which have one hh gene, vertebrates have several hh genes.