Bruno has alzheimer disease. he frequently makes aimless comments and repeats words and phrases for no reason. he is most likely in the stage of the disease.

Bruno is most likely in the stage 2 of the Alzheimer's disease. The symptoms of Alzheimer's disease worsen over time, although the rate at which the disease growths varies. The stage 1 of this disease is not detectable and no memory problems or other symptoms of dementia are palpable, it is because changes in the brain associated to Alzheimer's begin years before any signs of the disease arise. Stage 2 in which Bruno is experiencing belongs to the symptoms of this stage, where there are minor memory problems, have difficulty in areas like finding the right word during conversations, remembering names of new acquaintances, planning and organizing and usually lose personal belongings, including valuables.

an organism's phenotype is the  form of a trait  that it  displays. for  flowercolor, a pea  plant  can  display  a phenotype of purple or white flowers. an organism's  genotype  is the alleles of a gene it contains. based on his data, mendel concluded that a phenotype can be  determined  by more than one  genotype.