The syndrome presents in boys, and symptoms generally do not become clear until the onset of puberty. Turner syndrome: this rare disease occurs only in girls and results from a missing X chromosome. [fdna.health]

• Infertility

  The condition includes skeletal deformities and infertility. [fdna.health]

• Developmental Delay

  Angelman syndrome: this chromosomal disease is characterized by severe developmental delay, limited to zero speech development, and sleep disturbances. [fdna.health]