Spinal muscular atrophy amyotrophic lateral sclerosis als friedreich ataxia

Which of the following correctly pairs a neurodegenerative condition with one of its associated clinical features?

1: Amyotrophic lateral sclerosis: cardiac arrhythmias
2: Friedreich’s ataxia: pes cavus
3: Poliomyelitis: autosomal recessive inheritance
4: Spinal muscular atrophy: upper and lower motor neuron lesions