The genome of Caenohabditis elegans consists of

Options

A. 3 billion base pairs and 30,000 genes
B. 180 million base pairs and 13,000 genes
C. 4.7 million base pairs and 4,000 genes
D. 97 million base pairs and 18,000 genes

Answer

D

Explanation

Caenorhabditis elegans, a free-living soil nematode, is widely used as a model organism. It is transparent, and consists of 959 somatic cells. This easily cultured worm provides a model for complex organ systems, as well as developmental biology and genetics.