Not surprisingly, just like kernel pigmentation regulated by the R allele in maize, maternal effect seed abortion observed in mea mutants could possibly be due to (i) a dosage effect during the endosperm, (ii) a lacking cytoplasmically saved solution, or (iii) genomic imprinting. Like a. thaliana will not give the delicate genetic tools obtainable
The molecular isolation of imprinted genes permitted extra comprehensive reports within the mechanisms that direct to their special regulation. The 1st a few imprinted loci have been described within the early 1990s and possess since been studied intensely: the genes encoding the insulin-like expansion component kind-two receptor (Igf2r, Barlow et
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