Celiac disease tends to be found in families but it's inheritance pattern is not fully understood. In brief: See below. Celiac disease tends to be found in families but it's inheritance pattern is not fully understood.
As you may have guesses the fastest runners in the insect world are cockroaches, which can move almost one foot per second - translating to a little over 3 mph or 50 body lengths per second. This would be equivalent to a human sprinter running the 100 yard dash in 1 second or approximately 200MPH!
4. Cheetah. Cheetah (Wikimedia). The fastest animal in the world is of course the cheetah. This animal is actually only slightly faster than the pronghorn antelope, and can reach speeds of up to 61 miles per hour. This record was set by an 11 year old cheetah in 2012 named Sarah.