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  GR M2

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Analysis of albino embryo mutation frequency in M1 siliques of gamma-ray irradiated parents are shown in the following table.
LEHLE SEEDS cat. no. No. M1 plants examined for albino embryos Total no. of M1 siliques examined No. of siliques segregating for albino embryos P M
M2G-02-01 25 125 28 0.22 0.25
M2G-04-01 50 250 33 0.13 0.14
P is the frequency of initial cells with albino embryo mutations (e.g. 68/528 = 0.129) and M is the mean number of albino embryo mutations per one initial cell, i.e. -ln(1-P). P and M were calculated as described by Mednik (Mednik, I.G., 1988. AIS 26:67-72).
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