FGSC #3565

Reporting Genes: mb-2

Species: crassa

Allele: V8553

Alternate Strain Number: 1656

Mutagen: UV

Depositor: DDP

Linkage Group: I

Mating Type: a

Species Number: 10

Genetic Background: M

Opposite Mating Type: 3564

Genes

Locus	Cultural Requirements	Link Group	Type
mb-2	IR. Between cyh-1 (5%) and al-1 (7%) (PB). (1100) Perithecial development is blocked when the mb-2 mutant is used as the male parent to fertilize an mb+ female; many perithecia are produced, mostly small, brown, without beaks or ascospores; a few perithecia mature and produce ascospores (1100). Perithecia are normal and fully fertile when the mb-2 mutant is used as the female parent and fertilized by an mb+ strain (1128). Homozygous barren (PB). Recessive in heterokaryons, complementing mb-1 and mb-3 (1101). One occurrence: allele 8553.	IR	B

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