Embryological

Embryological evidence supports zebras being dark coloured with white as an addition. citation Living in the very southern end of the plains zebra's range, the quagga had a thick winter coat that moulted each year.

Hopwood, "Producing Development", p. 50 His’ depiction of embryological development strongly differs from Haeckel’s depiction, for His argues that the phylogenetic explanation of ontogenetic events is unnecessary.