Multiple choice Which of the following is due to trisomy of 18 chromosomes? Autosomal abnormality that is Edward's syndrome Allosomal abnormality that is Edward's syndrome Autosomal abnormality that is Patau's syndrome Allosomal abnormality that is Patau's syndrome Autosomal abnormality that is down's syndrome Reveal answer Fill a bubble to check yourself A Correct answer Explanation It is due to trisomy of 18 chromosomes.