{"id":620,"date":"2021-07-08T11:49:45","date_gmt":"2021-07-08T02:49:45","guid":{"rendered":"http:\/\/t070.web1test.co.kr\/?page_id=620"},"modified":"2026-08-28T07:57:40","modified_gmt":"2026-08-28T11:57:40","slug":"x-str","status":"publish","type":"page","link":"https:\/\/dowgene.com\/en\/x-str\/","title":{"rendered":"X-STR Paternity Test"},"content":{"rendered":"

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X-STR Paternity Test (X-Chromosome Test \/ X-STR)<\/p>\n

X-STR paternity test examines the STR genes on the X chromosome to prove a woman’s paternal blood relationship.<\/span>[\/vc_column_text]

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  • \n
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    \n\t\"null\"\n<\/div><\/div><\/div>\n<\/div>Test Principles<\/span><\/span><\/div><\/li><\/ul><\/div>[vc_row_inner][vc_column_inner width=”1\/2″][vc_column_text]X-STR paternity test examines the STR genes on the X chromosome to prove a woman’s paternal blood relationship.
    \n<\/span>Sisters that share the same father have inherited the same X chromosome from the father. So a paternal blood relationship can be verified by checking the matching genes through STR gene analysis of the X chromosome.
    \n<\/span>DowGene DNA Testing Company, an international KOLAS certified testing institution, introduced the test quality management system to accurately control the entire testing process.
    \n[\/vc_column_text]
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      \n\t\"null\"\n<\/div><\/div><\/div>\n<\/div>Test specimen<\/span><\/span><\/div><\/li><\/ul><\/div>[vc_column_text]Blood, hair with hair root, oral epithelium, saliva, bloodstain, toothbrush, fingernail, chewing gum, cigarette butt, etc.[\/vc_column_text][\/vc_column_inner][vc_column_inner width=”1\/2″][vc_single_image image=”1006″ img_size=”full” alignment=”center”][\/vc_column_inner][\/vc_row_inner]
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        \n\t\"null\"\n<\/div><\/div><\/div>\n<\/div>Test Procedures<\/span><\/span><\/div><\/li><\/ul><\/div>
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          \n\t\"null\"\n<\/div><\/div><\/div>\n<\/div>Test Results
          \n<\/span><\/span><\/div><\/li><\/ul><\/div>
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          <\/div>[vc_column_text]DowGene DNA Testing Company investigates and analyzes the X-STR genotype existing in the X chromosome to prove the paternity or patrilineal relation of a female such as half-sister, grandmother, or granddaughter.[\/vc_column_text][\/vc_column_inner][\/vc_row_inner]
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            \n\t\"null\"\n<\/div><\/div><\/div>\n<\/div>Application of X-STR Paternity Test<\/span><\/span><\/div><\/li><\/ul><\/div>[vc_column_text]<\/p>\n
              \n
            • When proof of a paternal blood relationship of women, such as grandmother, granddaughter, and half-sisters, is required in the case of absence of the biological father<\/li>\n
            • When proof of a paternal blood relationship is required to correct the family registry<\/li>\n
            • When proof of a paternal blood relationship is required to obtain nationality<\/li>\n
            • When proof of a paternal blood relationship between half-sisters or grandmother and granddaughter needs to be submitted to a public agency, etc.<\/li>\n<\/ul>\n

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                \n\t\"null\"\n<\/div><\/div><\/div>\n<\/div>Genetic test chart<\/span><\/span><\/div><\/li><\/ul><\/div>[vc_column_text]Stepsister \/ Proof of paternal blood relationship between grandmother and granddaughter[\/vc_column_text]
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