For 10 points, name this model organism that's a type of bread mold.
Westergaard and Mitchell's synthetic crossing medium is used to provide nutrients to this organism. This organism is the one most often used to study the gene silencing mechanisms of quelling, MIP, and RIP. Though its website is straight out of 1995, you can get various knockout samples of this organism from FGSC. Long, glass race tubes are used when culturing this organism to study circadian rhythms because one can easily observe (*) conidial bands. The two mating types of this heterothallic species are symbolized big A and little a. Though subsequently revised, the one-gene-one-enzyme hypothesis came from experiments with its nutritional mutants that were conducted by Beadle and Tatum. For 10 points, name this model organism that's a type of bread mold.
Westergaard and Mitchell's synthetic crossing medium is used to provide nutrients to this organism.
Neurospora crassa [or: N. crassa; prompt on: "red bread mold"]