Robuta

https://pubmed.ncbi.nlm.nih.gov/1634999/
In the developing eye of Drosophila, cell interactions appear to be responsible for organising undifferentiated cells into unit eyes, or ommatidia. Extensive...
on thesecond chromosomemutationsaffectingdrosophila
https://www.wikidata.org/wiki/Q33977174
second chromosomerecessive lethalsinglegeneheterosis