Genetic testing has revealed that a baby polar bear at Tierpark Berlin zoo is the product of breeding between siblings.
원문출처 : https://www.cnn.com/2021/05/19/europe/berlin-zoo-polar-bear-incest-scli-intl/index.html
원문출처 : https://www.cnn.com/2021/05/19/europe/berlin-zoo-polar-bear-incest-scli-intl/index.html