A rare zebra with polka dots has been spotted in Kenya
. Professor Barsh is an expert on the genetic mechanisms that underlie differences in individual appearance, a specialty that provides important insights into basic biology as well as human disease.
“In other animals where the biology and genetics are understood, ‘melanism’ refers to increased production of a specific pigment type”, Professor Barsh explained in email. One such color variant that may be the result of normal numbers of melanocytes producing abnormal melanin pigments is the “blonde” or “golden” zebra, a faded-out white zebra that occasionally pops up in Kenya and Tanzania.
Three species of zebras have been described based on body size and stripe morphology, as well as several other distinguishing traits. One of those species, the plains zebra, is easily recognized just by its stripes, which are broader than those of the other two zebra species, although even amongst plains zebras, there is a consistent, clearly visible gradient of differences in stripe patterns between northern and southern plains zebra populations....
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