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You share about 12.5% of your autosomal DNA with a first cousin, though real matches usually fall in a broad range.

Humans share about 60% of their DNA with bananas, revealing surprising genetic similarities between humans and plants.

Half siblings usually share about 25% of their DNA, though real results can range from roughly 17% to 34% depending on inheritance.

In humans, each chromosome holds about 50–300 million DNA base pairs, adding up to roughly 3 billion base pairs across all 23 chromosomes.

The human body holds roughly 1.8×10^22 DNA base pairs, stretching to trillions of meters of DNA when added across all nucleated cells.

Each human cell holds about 6 picograms of DNA, which equals roughly 6.4 billion base pairs of human genetic code.

A grandparent and grandchild share about 25% of their dna on average, with natural variation from roughly 15% to 35%.

Half siblings usually share about 25 percent of their DNA, with real matches ranging from roughly 17 to 34 percent.

A banana shares around 60% of its genes with humans, but only a tiny slice of total DNA matches once whole genomes are compared.

You share about 12.5% of your DNA with a first cousin, with smaller percentages for more distant cousins.