One Promiscuous Salamander (IMAGE)

University of Iowa

One Promiscuous Salamander

Caption

The all-female hybrid Ambystoma has found a simple genetic formula for success: Mate with multiple males and use equal parts of each partner's genetic material in her offspring. The finding points to the bizarre ways some animals -- from all-female populations of fish, lizards, and others -- can use their genomes to maximize their chances of success.

Credit

Robert Denton, Ohio State University

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