Solved cryptogram
You inherit your mitochondria from your mother alone, and they carry a little DNA of their own.
Biology Facts, sourced to National Human Genome Research Institute.
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What it means
The egg supplies the mitochondria and the sperm contributes essentially none, so this small separate genome passes down the maternal line unmixed. That makes it a useful tool for tracing ancestry back through many generations. The presence of a second genome inside our cells is a leftover of an ancient event in which one cell took up residence inside another and stayed.
The claim comes from National Human Genome Research Institute.
- SourceNational Human Genome Research Institute
- CollectionBiology Facts
- Difficultyeasy
- Length77 letters, 16 unique
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