bz-m918505

--Peter A. Peterson

This mutable allele also arose in a cross similar to bz-m918501 when Uq-I159 was the only introduced transposon. Unlike the two bz-m previously described, this one has a relatively dark background expression with a low frequency of spots. Because this was a bz-spotted exception that was planted, and this plant was backcrossed by bz sh, the appearance of colored progeny as shown in this Table are unexpected.

The cross: bz-m Sh/bz sh x bz sh/bz sh
 
 
Round
Shrunken
 
Colored
bz-m
bz stable
Colored
bz-st
918805 x 5360
72
69
3
6
63
918805t x 8551
128
96
4
6
253

The near equal frequency of colored and spotted round indicates the possibility of an insert that is not suppressible.

Please Note: Notes submitted to the Maize Genetics Cooperation Newsletter may be cited only with consent of the authors

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