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. 2019 Jun 17;116(27):13446–13451. doi: 10.1073/pnas.1901093116

Fig. 2.

Fig. 2.

Polar bear possess fewer copies of AMY1B compared with brown bear. Box and whisker plot of gene CN for the salivary amylase-encoding gene, AMY1B (A). CNs are from Control-FREEC estimates. Each dot represents the diploid CN (y axis) for a given bear individual (x axis). The box plot displays the median value, first quartile, and third quartile. Whiskers are drawn to the furthest point with 1.5× the interquartile range (third quartile minus the first quartile) from the box. The black bear does not include a box and whisker plot because the analysis included only two individuals. (B) A heat map depicting the BDN CN estimates for nonoverlapping 100-bp windows in the AMY2B and AMY1B locus on scaffold70 (positions 1,331,300 to 1,380,700) of the reference polar bear genome.