Human Chromosome 9

**Semantic type:** Cell Component

**Definition:** The designation for each member of the ninth largest human autosomal chromosome pair. Chromosome 9 spans about 145 million base pairs of nucleic acids and represents between 4 and 4.5% of the total DNA in normal diploid cells.

**Synonyms:** - Chromosome 9 - Chromosome 9 - Chromosome 9 - chr9 - chr9 - chr9