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Page 2 of additional KnowYourDNA articles and guides on DNA, ancestry, and health testing.

Featured image for DNA Database Effectiveness in Crime Solving
DNA Testing · 4 min read

DNA Database Effectiveness in Crime Solving

As the use of DNA evidence in criminal investigations has grown, so has the importance of understanding the effectiveness of these databases in solving

Angela Natividad · Apr 17, 2024
Featured image for Larry David Ancestry
DNA Testing · 2 min read

Larry David Ancestry

Larry David, the comedic genius behind "Seinfeld" and "Curb Your Enthusiasm," has a family history that is as complex and surprising as the characters he creates.

Angela Natividad · Feb 27, 2024
Featured image for What is Low-Pass Whole Genome Sequencing?
DNA Testing · 3 min read

What is Low-Pass Whole Genome Sequencing?

Low-pass whole genome sequencing reads your DNA at lower depth to cut costs, then uses imputation to fill in the gaps. Here's how it compares to standard WGS.

Angela Natividad · Feb 26, 2024
Featured image for The Shared African Ancestry of All Humans
DNA Testing · 3 min read

The Shared African Ancestry of All Humans

Extensive evidence supports the theory that modern humans (Homo sapiens) originated in Africa from genetic, fossil, and archaeological evidence.

Angela Natividad · Feb 26, 2024
Featured image for Which Populations Have the Highest Neanderthal DNA?
DNA Testing · 3 min read

Which Populations Have the Highest Neanderthal DNA?

Most people with non-African ancestry carry 1% to 4% Neanderthal DNA. We break down which populations carry the most and what 23andMe reports actually tell you.

Angela Natividad · Feb 26, 2024
Featured image for What Percentage of the World Has Freckles?
DNA Testing · 1 min read

What Percentage of the World Has Freckles?

Freckles are small, concentrated spots of melanin on the skin, most visible on fair complexions. They're linked to the MC1R gene and found in many populations worldwide.

Angela Natividad · Feb 26, 2024
Featured image for Countries with the Least Genetic Diversity
DNA Testing · 2 min read

Countries with the Least Genetic Diversity

Certain populations have lower genetic diversity than others, often because of historical isolation or population bottlenecks. Here are some commonly cited examples.

Angela Natividad · Feb 26, 2024
Featured image for Understanding DNA Inheritance: Uncle and Nephew
DNA Testing · 3 min read

Understanding DNA Inheritance: Uncle and Nephew

Uncles and nephews share about 25% of their DNA on average, but the real number ranges from 17% to 34%. We explain why it varies and what to do when results surprise you.

Angela Natividad · Feb 26, 2024