Black Walnut Tree Trivia Black Walnuts, Juglans nigra, grow mainly in the Eastern and Central United States but they occur in moderate numbers nearly everywhere in the U.S. east of the Great Plains, except for New England and south Florida. They grow up to 150 feet with long, straight trunks up to a yard in diameter.
In the 1970s, a gene related to how our brain grows our limbs was given the name âhedgehogâ in relation to the spiky appearance of fruit flies with a defective version of the gene.In 1995, three strains of the âhedgehogâ gene were found and named âDesert-Hedgehogâ, âIndian-Hedgehogâ, and amusingly, âSonic-Hedgehogâ.onic Hedgehog Homolog (SHH) is one of three proteins in the mammalian hedgehog family, the others being desert hedgehog (DHH) and Indian hedgehog (IHH). SHH is the best studied ligand of the hedgehog signaling pathway.
Naming Your Hedgehog. With the purchase of any animal comes the need for a name, and a hedgehog needs a name as sharp and cool as he is! Not many animals are as spiky as a hedgehog, so this is one factor that should be considered when thinking of hedgehog names. Hereâs a few other tips that may help you come up with good names: Color: Keeping the hedgehogâs color in mind may help you to think of a fitting name.