What is "supersister"

n. (context biology English) Any of a set of sisters of a haplodiploid species (e.g. honeybee, or any Hymenoptera) who are daughters of the same queen that was inseminated by a single male (drone). By contrast, full sisters of a diploid species (e.g. humans) share a genetic http://en.wikipedia.org/wiki/%20Coefficient%20of%20relatedness of 0.5. Supersisters share 0.75 relatedness.

Supersister was a Dutch band from The Hague, Netherlands, active 1970–1974, 2000–2001 and 2010–2011. They played Progressive rock ranging from jazz to pop and although Dutch, they are generally considered to be part of the Canterbury scene due to their playfulness and complicated sound. The most predominant band members were Robert Jan Stips (keyboards, vocals), Sacha van Geest (flute), Marco Vrolijk (drums) and Ron van Eck (bass).