This page discusses Neurospora crassa, a fungus that reproduces both asexually and sexually, making it ideal for genetic research due to its rapid growth and haploid lifecycle. It highlights the "One ...This page discusses Neurospora crassa, a fungus that reproduces both asexually and sexually, making it ideal for genetic research due to its rapid growth and haploid lifecycle. It highlights the "One Gene - One Enzyme" theory proposed by Beadle and Tatum, established through UV-induced mutations, which posits that each gene corresponds to a specific enzyme. This theory has since evolved to include all proteins produced by genes across organisms.