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.
The 2,300-kilometre Great Barrier Reef is the largest coral reef system in the world. Home to diverse marine life of the most vivid colours, experiencing the Reef is a life-changing adventure, whether you do it in luxury or on a budget.hat you can see on the Great Barrier Reef. Explore the world's largest coral reef, relax on the Whitsunday Islands and wonder at the dense rainforests of the world-heritage listed Wet Tropics. Top 10 Things to Do on the Great Barrier Reef... Top 10 Things to Do on the Great Barrier Reef.