Answer:
Huntington's disease
Explanation:
becase it is are caused by dominant alleles of a single gene on an autosome. Changes in chromosome number can lead to disorders like Down syndrome.
MRNA has a complex secondary structure; 3D. While tRNA is more like an X figure.
The answer is fundamental niche
A.) carbohydrates are large molecules made up of monosaccharides and are used by organisms for energy storage.
Hope I helped! :)