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THE TITLE OF THE NEWS FOCUS STORY “A NEW LOOK AT THE MAYAS’ END” (H. PRINGLE, 24 APRIL, P. 454) incorrectly characterizes the state of this American indigenous group. Maya people continued to exist(More)
Prolificacy is a desirable trait for genetic improvement of sheep flocks, since it holds the potential to improve productivity. Animals carrying single-nucleotide polymorphisms (SNPs) in genes(More)
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