Apogamy is a 7 letter English word. It's valid Scrabble word worth 15 points. It's valid Words with friends word worth 17 points.
You can make 105 anagrams from letters in apogamy (aagmopy).
First recorded in 1875-80; apo- + -gamy
Other names for indiscriminate isolation are separate breeding and apogamy.
apogamy, of course, answers to indiscriminate isolation, or separate breeding.
Isolation, then, is a genus, of which apogamy and Homogamy are species.