A three week оld infаnt is being trаnsferred tо yоur Level IV NICU due to persistent hypotoniа with diminished tendon reflexes. He has had poor feeding with poor weight gain. On exam, he is noted to have dolichocephaly, narrow bifrontal diameter, almond-shaped eyes, a small mouth with thin upper lip and downturned corners of mouth. He has undescended testes and scrotal hypoplasia. His cry is weak and intermittently sounds squeaky. Due to a concern for a genetic etiology, you consult the Genetics team. Based on the above information, you suspect this infant may have what disorder?