Figure 1
From: Quantifying realized inbreeding in wild and captive animal populations
Each histogram shows the mean heterozygosity of every individual in a population for a particular gene region (four regions per population). The wild population (n=948 individuals, a–d) contains no individual that is fully homozygous in any of the four gene regions (identical-by-state, IBS=0). In contrast, between 2.8 and 11.0% of the 1057 individuals of the captive population (e–h) are fully homozygous in a given gene region indicating homozygosity by descent and hence inbreeding (dark bars). Gene regions are not the same between the two populations, but were matched for the number of SNPs genotyped per region. n=67 SNPs for (a) RALDH2 and (e) Tgu1, n=56 SNPs for (b) RALDH3 and (f) Tgu1A, n=75 SNPs for (c) TGFBR2 and (g) Tgu2, n=62 SNPs for (d) CTNNB1 and (h) Tgu4.
