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2. Genealogical DNA test - Wikipedia

   en.wikipedia.org/wiki/Genealogical_DNA_test

   The video shows the process of extracting genotypes from a human spit sample using a DNA microarray, which is the most common method used in genetic genealogy. A genealogical DNA test is performed on a DNA sample obtained by cheek-scraping (also known as a buccal swab), spit-cups, mouthwash, or chewing gum.

3. DNA profiling - Wikipedia

   en.wikipedia.org/wiki/DNA_profiling

   Frumkin perfected a test that can differentiate real DNA samples from fake ones. His test detects epigenetic modifications, in particular, DNA methylation. [91] Seventy percent of the DNA in any human genome is methylated, meaning it contains methyl group modifications within a CpG dinucleotide context. Methylation at the promoter region is ...

4. Molecular models of DNA - Wikipedia

   en.wikipedia.org/wiki/Molecular_models_of_DNA

   The DNA model shown (far right) is a space-filling, or CPK, model of the DNA double helix. Animated molecular models, such as the wire, or skeletal, type shown at the top of this article, allow one to visually explore the three-dimensional (3D) structure of DNA. Another type of DNA model is the space-filling, or CPK, model.

5. Real-Life Stories of Sometimes-Shocking Home DNA Test Results

   www.aol.com/finance/real-life-stories-sometimes...

   For some people, at-home DNA tests such as Ancestry.com and 23andMe have led to some unexpected and, in some cases, shocking results. From reconnected family members to unexpected health risks ...

6. Genetic testing - Wikipedia

   en.wikipedia.org/wiki/Genetic_testing

   The sample is sent to a laboratory where technicians look for specific changes in chromosomes, DNA, or proteins, depending on the suspected disorders, often using DNA sequencing. The laboratory reports the test results in writing to a person's doctor or genetic counselor. [citation needed]

7. Human genome - Wikipedia

   en.wikipedia.org/wiki/Human_genome

   Most human cells are diploid so they contain twice as much DNA (~6.2 billion base pairs). In 2023, a draft human pangenome reference was published. [8] It is based on 47 genomes from persons of varied ethnicity. [8] Plans are underway for an improved reference capturing still more biodiversity from a still wider sample. [8]

8. Forensic DNA analysis - Wikipedia

   en.wikipedia.org/wiki/Forensic_DNA_analysis

   Jefferys discovered that an unknown sample of DNA such as blood, hair, saliva, or semen could be analyzed and a unique DNA pattern/profile could be developed. [1] A year after his discovery, Jefferys was asked to use his new found DNA analysis to convict a man that police believed was responsible for 2 rape murders.

9. Photo 51 - Wikipedia

   en.wikipedia.org/wiki/Photo_51

   Photo 51 is an X-ray based fiber diffraction image of a paracrystalline gel composed of DNA fiber [1] taken by Raymond Gosling, [2] [3] a postgraduate student working under the supervision of Maurice Wilkins and Rosalind Franklin at King's College London, while working in Sir John Randall's group.