I remember reading a series of short stories published in one of the main magazines in the late 70's or 80's. The stories were about a crashed colony, which had ended up on a planet with a lot of heavy metals, and were terraforming by using chimeras, formed by DNA recombining. The first story referenced Dragon's Teeth, and the title had something to do with that.
The crash had resulted in the loss of a lot of information, so the survivors were trying to reconstitute the lost information. The colonists were named after their occupations, so the main protagonist was first name (I've forgotten) Hunter. She was tracking down the chimeras, which were the results of inadvertent DNA changes as a result of the environment. The original animals had the DNA for other animals hidden, but supposedly locked up until needed.
In the first story, the Hunter is tracking wild pigs which are rooting up crops. In the later stories, we are introduced to someone named Mother, who is raising all the kids, no matter who the parents are, some sort of scholar who is trying to learn how to control the DNA adaptations, and various animals who are mixed up because the DNA changes are not being properly made. By the end of the stories, the Hunter is changing her name to Teacher (I think). There was an indication in the magazines that the stories were going to be released either as a collection or rewritten into a novel. I would love to find that!