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!
One of the largest bugs to ever crawl the Earth, Arthropleura resembled a 2m millipede with 30 pairs of legs. This creepiest of crawlies had a wide, flattened and heavily armoured body and fed on rotting leaves and any small animals it could catch.