Huntington's disease, which causes degeneration of neurons, runs in Maria's family. Huntington's is a heritable autosomal dominant genetic disease. In an autosomal dominant disease, only one abnormal allele abnormal to cause the disease in offspring. However, it is possible not all offspring will receive the from an affected heterozygous parent. Family members that have the disease in Maria's paternal grandmother and Maria's paternal uncles. Maria's paternal grandfather does not have the disease. Because symptoms of Huntington's disease do not appear until later in life, genetic testing is necessary to determine whether a individual possesse Maria's father does not carry the allele for Huntington's disease. symbols d that Maria create a pedigree to track the disease in her Use the provided to complete the Each be used family more than once.