Fact 1: Chromosomes are coiled structures made of DNA and proteins.

Fact 2: Trisomy chromosomes are the most common chromosomal anomaly.

Given the two facts above, answer the question "What is an anomaly in coiled structures made of DNA and proteins?" with the following options: 
- ribosomes
 - trisomy
 - mitosis
 - metamorphosis
 - resistance
 - deltas
 - lmestone
 - Bend


 

  trisomy       