Heritability of external morphology in Darwin's finches

  title={Heritability of external morphology in Darwin's finches},
  author={Peter T. Boag and Peter R Grant},
ECOLOGISTS use measurements of avian morphological characters to test and modify evolutionary theories. But virtually nothing is known about the inheritance of such characters, although the theories are usually based on genetic models. As a result, either implicitly or explicitly, avian ecologists have used the terms phenotype and genotype almost interchangeably1. At the same time, theoreticians have assumed in their calculations that heritabilities are equal to one2. This problem is… CONTINUE READING

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