Day 354 (22pter-22p12): Chromosome 22, starting with heterochromatin

Day 354 has 0 protein-coding genes (browser view) – the first day of Chromosome 22 is entirely heterochromatin.

Although it is the chromosome with the highest number, it is not actually the smallest – Chromosome 21 is.

Click here to see all 8469744 letters of Day 354.

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