GV-backed Freenome has raised $7m in a series A extension led by Section 32, the venture capital firm launched by former GV chief executive Bill Maris.

US-based health technology developer Freenome raised $7m in a series A extension yesterday to close the round, already backed by conglomerate Alphabet’s corporate venturing unit GV, at $72m.

The second tranche was led by Section 32, the VC firm founded by former GV chief executive Bill Maris. Anne Wojcicki, co-founder and chief executive of personal genomics company 23andMe, and unnamed corporate and private investors also participated.

Freenome achieved a first close at $65m in March 2017. VC firm Andreessen…