{"first_sentence": {"type": "/type/text", "value": "The foundation of the science of genetics was laid in 1865 (published in 1866) by Gregor Mendel, when he reported principles of segregation and an independent assortment based on his careful selection of seven contrasting traits and controlled artificial hybridization experiments with the garden pea (Pisum sativum L.)."}, "physical_format": "Hardcover", "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "weight": "2.3 pounds", "languages": [{"key": "/l/eng"}], "publishers": ["CRC"], "number_of_pages": 488, "isbn_13": ["9780849323881"], "id": 11181830, "edition_name": "2 edition", "isbn_10": ["0849323886"], "publish_date": "December 20, 2002", "key": "/b/OL8259669M", "authors": [{"key": "/a/OL839970A"}], "title": "Plant Cytogenetics, Second Edition", "type": {"key": "/type/edition"}, "subjects": ["Cellular biology", "Genetics (non-medical)", "Plant physiology", "Science", "Plant Cytology", "Plant Genetics", "Science/Mathematics", "Biotechnology", "Life Sciences - Botany", "Life Sciences - Genetics & Genomics", "Science / Botany", "Plant cytogenetics"], "physical_dimensions": "10.2 x 7.4 x 1.2 inches", "revision": 1}