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10% of your purchase will be donated to amfAR
FACTS: The stomach is a small
Michiaki Takahashi
the World Health Organization made an astonishing announcement: smallpox is dead
Chromosome Gift 10% of your purchase willChromosomes are threadlike structures inside of cells that store genetic information. They are composed of the material chromatin, which consists of DNA, RNA and proteins. Most human cells have two pairs of 23 chromosomes, one pair from your mother and the other from your father, for a total of 46 chromosomes. Great gift for anyone who wants to know who they are and what they're made of.