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Y-Chromosome Single Nucleotide Polymorphism testing (view source)
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In general Haplogroups can be generally estimated<ref> See the ISOGG Wiki article: “Y-DNA tools” at: https://isogg.org/wiki/Y-DNA_tools </ref> by the first 10 or so STRs (Short tandem repeats)<ref> See the ISOGG Wiki article: “Short tandem repeat” at: https://isogg.org/wiki/Short_tandem_repeat </ref> or Y-DNA markers, but the actual haplotype must be confirmed with a specific SNP test.<ref> See the ISOGG Wiki article: “Y-SNP testing” at: https://isogg.org/wiki/Y-SNP_testing </ref> | In general Haplogroups can be generally estimated<ref> See the ISOGG Wiki article: “Y-DNA tools” at: https://isogg.org/wiki/Y-DNA_tools </ref> by the first 10 or so STRs (Short tandem repeats)<ref> See the ISOGG Wiki article: “Short tandem repeat” at: https://isogg.org/wiki/Short_tandem_repeat </ref> or Y-DNA markers, but the actual haplotype must be confirmed with a specific SNP test.<ref> See the ISOGG Wiki article: “Y-SNP testing” at: https://isogg.org/wiki/Y-SNP_testing </ref> | ||
SNPs when tested are either derived or positive ( + ) or negative ( - ). By following the positive SNPs to the end of the chain, one can see the progression of confirmations through the Phylogentic Tree used. See the "Another example" paragraph below. | SNPs when tested are either derived or positive ( + ) or negative ( - ). By following the positive SNPs to the end of the chain, one can see the progression of confirmations through the Phylogentic Tree used to the last or terminal SNP that is derived. See the "Another example" paragraph below. | ||
== Color coding and confusion == | == Color coding and confusion == | ||