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131GENETIC ANCESTRY, JEWISH — Background The human genome refers to approximately three billion chemical letters (nucleotides) comprising the sequence of deoxyribonucleic acid (DNA) in almost every cell of each human being. There are four different nucleotides (adenine,… …
132Samuel Pepys — Pepys redirects here. For other uses, see Pepys (disambiguation). Samuel Pepys Portrait of Samuel Pepys by J. Hayls. Oil on canvas, 1666, 756 mm × 629 mm National Portrait Gallery, London. Born 23 February 1633( …
