Wound-induced polyploidization is a conserved tissue repair strategy where cells grow in size instead of dividing to compensate for cell loss. Here is a detailed protocol on how to use the fruit fly as a model to measure ploidy and its genetic regulation in epithelial wound repair.
Bailey, E. C., Dehn, A. S., Gjelsvik, K. J., Besen-McNally, R., Losick, V. P. A Drosophila Model to Study Wound-induced Polyploidization. J. Vis. Exp. (160), e61252, doi:10.3791/61252 (2020).