Which type of gangrene follows the cessation of blood flow to tissue after crushing injury, embolism, tourniquet, or tight bandage?

A wet gangrene is a medical condition that occurs whenever injury from burns or trauma from a body part is crushed or squeezed which rapidly cuts off blood supply to the affected area causing tissue death and increased the risk of infection. It is called wet because of the pus that is formed. Wet gangrene infection can spread quickly throughout the body and cause life-threatening conditions if not treated quickly, 

Gangrene is a condition that occurs whenever body tissues die. It primarily caused by a loss of blood supply due to an illness, infection or injury. Oftentimes, this medical condition occurs in the fingers and limbs. They, however, can occur inside the human body damaging organs and muscles.

Yes it is hereditary because of the penis

  like australopithecus afarensis; probably the direct ancestor of this group. africa: 5.8 to 4.4 million years ago.