Data from: The balanced-lethal system of crested newts: a ghost of sex chromosomes past?

Christine Grossen, Samuel Neuenschwander & Nicolas Perrin
Balanced lethal systems are more than biological curiosities: As theory predicts, they should quickly be eliminated through the joint forces of recombination and selection. That such systems might become fixed in natural populations poses a challenge to evolutionary theory. Here we address the case of a balanced lethal system fixed in crested newts and related species, which makes 50% of offspring die early in development. All adults are heteromorphic for chromosome pair 1. The two...
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These counts follow the COUNTER Code of Practice, meaning that Internet robots and repeats within a certain time frame are excluded.
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