Final answer:
Some genetic disorders that display genetic anticipation are Huntington's disease, achondroplastic dwarfism, and Marfan syndrome. Genetic anticipation is observed when symptoms worsen in successive generations, with an earlier onset and more severe symptoms.
Step-by-step explanation:
Some examples of genetic disorders that display genetic anticipation are Huntington's disease, achondroplastic dwarfism, and Marfan syndrome. In the case of Huntington's disease, for example, the symptoms tend to worsen over generations, with an earlier onset and more severe symptoms appearing in each successive generation. This phenomenon is known as genetic anticipation and is caused by the expansion of certain repeated DNA sequences in the affected gene.
Genetic anticipation is often observed in disorders caused by trinucleotide repeat expansions, where a sequence of three DNA nucleotides is repeated multiple times within a gene. As the repeat expands in successive generations, it disrupts the normal functioning of the gene and leads to the earlier onset and more severe symptoms.