| Answer | Crossword Clue |
|---|---|
| eugenics | the genetic improvement of a race by selective breeding |
| eugenic | pertaining to eugenics (the genetic improvement of a race by selective breeding) |
| eugenical | relating to genetic improvement of a race by judicious mating also EUGENIC |
| eugenically | EUGENICAL, relating to genetic improvement of a race by judicious mating also EUGENIC |
| tarpan | small, dun-colored wild horse chiefly of southern Russia, having a flowing mane and tail: extinct since the early 20th century but somewhat restored by selective breeding of mixed-breed domestic horses, and sustained in zoos |
