Wednesday, 25 November 2009

Sunday, 8 November 2009

Balancers: TM3, Sb, Ser


TM3 is a balancer chromosome that stabilizes the third chromosome and carries a mutant Sb (Stubble) and/or a mutant Ser (Serrate) as markers. Sb mutant flies will have shortened (or stubbly) hairs on the back. Ser mutant flies have wings notched at tip. Most balancer chromosomes also carry a recessive allele such as the ebony mutation.

Wednesday, 4 November 2009

Similarity to humans

About 75% of known human disease genes have a recognizable match in the genetic code of fruit flies and 50% of fly protein sequences have mammalian analogues.