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. 2022 Apr 26;11(5):661. doi: 10.3390/biology11050661

Figure 2.

Figure 2

Phenogram of C. aquilus, C. polystictus, and hybrid rattlesnakes. The phenetic diagram was constructed using the UPGMA method [27] based on the number of scales and protein bands. (A) Hybrids of the first hybridization event (four years old): MH1, FH2, FH3, and MH4; hybrids of the second hybridization event (three years old): FH5, MH6, and MH7; males of C. aquilus (MCa8 and MCa9) and C. aquilus biological father (Cabf); C. polystictus male (MCp10) and C. polystictus biological mother (Cpbm). M, male; F, female. (B) possible sympatric distribution of C. aquilus and C. Polystictus in central Mexico.