Inheritance Inheritance. Metachromatic leukodystrophy is inherited in an autosomal recessive manner. This means that both copies of the disease-causing gene in each cell must have a mutation for an individual to be affected. Individuals inherit two copies of each gene - one copy from each parent.
Crown-of-thorns starfish. Crown-of-thorns starfish are one of the most damaging creatures of tropical coral reefs, particularly Australia's Great Barrier Reef. They are voracious predators that release the contents of their stomach on to the coral.
12 interesting facts about crown of thorns starfish. Fossil evidence suggests COTS have been around for millions of years although outbreaks have only been observed in the last 50 or so years. COTS are a natural part of the ecosystem and an over-abundance only occurs when the reef is out of balance and unhealthy.