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Article

Constraints on the evolution of attractive traits: genetic (co)variance of zebra finch bill colour.

Heredity - 1 Oct 1993

Price D K, Burley N T

Abstract excerpt

We estimated the heritability and genetic correlation between male and female bill colour in a laboratory population of zebra finches (Taeniopygia guttata) in order to examine the potential genetic constraints on the evolution of a sexually dimorphic trait. The heritability estimates of bill colour from regressions of offspring on single parents ranged from h2 = 0.34 to 0.73 and all but one of these estimates...

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PMID: 8270428
DOI: 10.1038/hdy.1993.155

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