A chromosome-level reference genome assembly reveals extreme loss of Y-chromosomal diversity in the Saimaa ringed seal (Pusa saimensis)
Saimaa ringed seals (Pusa saimensis) are a highly endangered freshwater pinniped species. Due to their unique evolutionary history and intense persecution over the last century, their population size and genetic diversity are low. Although mitochondrial and genome-wide variation have been extensively investigated, the paternal evolutionary history and genetic diversity of the Y chromosome remain…
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