back-cross testing
61metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …
62plant breeding — Introduction application of genetic (genetics) principles to produce plants that are more useful to humans. This is accomplished by selecting plants found to be economically or aesthetically desirable, first by controlling the mating of… …
63Concorde — For other uses, see Concorde (disambiguation). Concorde Role Supersonic airliner …
64M16 rifle — Rifle, 5.56 mm, M16 From top to bottom: M16A1, M16A2, M4A1, M16A4 Type Assault rifle Place  …
65Portland Streetcar — A streetcar at the Portland State University stop Overview Type Streetcar line Daily ride …
66Lyme disease — Classification and external resources Nymphal and adult deer ticks can be carriers of Lyme disease. Nymphs are about the size of a poppy seed. ICD 10 A …
67List of Robotech characters — This is a list of the major fictional characters in Robotech, the American adaptation of three Japanese animated series: The Super Dimension Fortress Macross, The Super Dimension Cavalry Southern Cross, and Genesis Climber Mospeada, as a single… …
682008 Chinese milk scandal — For timeline of events in the contamination, see Timeline of the 2008 Chinese milk scandal. Stripped shelves in a supermarket in China as a result of the contamination (September 2008) The 2008 Chinese milk scandal was a food safety incident in… …
69environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …
70India — /in dee euh/, n. 1. Hindi, Bharat. a republic in S Asia: a union comprising 25 states and 7 union territories; formerly a British colony; gained independence Aug. 15, 1947; became a republic within the Commonwealth of Nations Jan. 26, 1950.… …
