The quality or condition of existing in various forms.
‘chromosomal heteromorphism’
‘Chromosome heteromorphism therefore reflects de novo evolution of sex chromosomes during the evolution of dioecy in this plant lineage, a relatively recent event within this genus.’
‘In specimens of GC, CB, and LM, the AgNORs were located at terminal regions of the short arm of an SM pair, in which was observed a size heteromorphism between homologue chromosomes.’
‘In another individual of this same species, the two 5S rDNA sites showed size heteromorphism.’
‘These results support the hypothesis that transposons accumulate in nonrecombining regions and may be one cause of the heteromorphism of sex chromosomes.’
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