FGSC #2762

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Reporting Genes: mei-4

Species: crassa

Allele: N395

Alternate Strain Number: N516II-53,SG

Mutagen: S

Depositor: DNP

Linkage Group: --

Mating Type: a

Species Number: 10

Genetic Background: M

ref1: Newmeyer & Galeazzi Genetics 77:s48 1974 (Abstr)

ref2: https://www.genetics.org/content/genetics/89/2/245.full.pdf

Deposit Sheet ↗

Genes

Locus	Cultural Requirements	Link Group	Type
mei-4	IIIR. Linked to leu-1 (12%), probably to left (757). Homozygous barren. Recessive. Highly variable expression, depending on genetic background (757). Crosses with more extreme genotypes are blocked at crozier formation or karyogamy (860). Crosses with less extreme genotypes complete normal first division but become irregular at later divisions, producing abnormal spores (B.C. Lu and D.R. Galeazzi, cited in reference 860). Not sensitive to UV, methyl methane sulfonate, or gamma rays in spot tests, or to histidine (757, 939).	IIIR	B