Assertion: chromosome's base pair | /r/HasProperty | the building material of dna
Facets:
Source sentences:
text: The X chromosome in humans spans more than 153 million base pairs (the building material of DNA).
text: Chromosome 15 spans about 101 million base pairs (the building material of DNA) and represents between 3% and 3.5% of the total DNA in cells.
text: Chromosome 7 spans about 159 million base pairs (the building material of DNA) and represents between 5 and 5.5 percent of the total DNA in cells.