Identification of the male-specific region on the guppy Y Chromosome from a haplotype-resolved assembly

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Figure 1.
Figure 1.

Adult male guppy phenotypes. (A) Male of the Maculatus strain, genotype XmacYmac. (B) Male of the Guanapo strain, genotype XGuaYGua. (C) F1 male with sex chromosome constitution YguaYmac. Note that both the characteristic Maculatus black spot on the dorsal fin (arrowhead) and Guanapo black spot on the anterior trunk (arrow), as well as the Guanapo tail pattern (star), are expressed in the YguaYmac male.

This Article

  1. Published in Advance March 5, 2025, doi: 10.1101/gr.279582.124 Genome Res. 35: 489-498

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