Complex sentence: Besides the features that are wanted because they bear resemblance to the aurochs, strongly divergent features may pop out, e.g. a gray or beige coat colour, or a black-whitely spotted colour pattern.
Split into simpler sentences: Besides the features that are wanted because they bear resemblance to the aurochs, strongly divergent features may pop out. Such as a gray or beige coat colour, or a black-whitely spotted colour pattern.