For the first time, the genomes of the giraffe and its closest living relative, the reclusive okapi of the African rainforest, have been sequenced — revealing the first clues about the genetic changes that led to the evolution of the giraffe’s exceptionally long neck and its record-holding ranking as the world’s tallest land species. The research will be published in the scientific journal Nature Communications on May 17, 2016.
“The giraffe’s stature, dominated by its long neck and legs and an overall height that can reach 19 feet (~ 6 m), is an extraordinary feat of evolution that has inspired awe and wonder for at least 8,000 years — as far back as the famous rock carvings at Dabous in the Republic of Niger,” said Douglas Cavener of Penn State, who led the research team with Morris Agaba of the Nelson Mandela African Institute for Science and Technology in Tanzania.
How did the giraffe get its long neck? Clues now are revealed by new genome sequencing.
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