The quantitative genetics of sexually selected traits, preferred traits and preference: a review and analysis of the data.
作者： A. Y. Prokuda , D. A. Roff
DOI: 10.1111/JEB.12483
关键词: Demography 、 Trait 、 Biology 、 Sexual selection 、 Mate choice 、 Fixation (population genetics) 、 Genetics 、 Heritability 、 Quantitative genetics 、 Genetic correlation 、 Allele
摘要: The maintenance of variation in sexually selected traits is a puzzle that has received increasing attention the past several decades. Traits are related to fitness, such as life-history or traits, expected have low additive genetic variance (and hence, heritability) due rapid fixation advantageous alleles. However, previous analyses suggested heritabilities on average higher than nonsexually traits. We show not significantly different from those overall when separated into three trait categories: behavioural, morphological and physiological. In contrast with findings, heritability preference quite (h(2) = 0.25 ± 0.06) same range distinguish preferred category find former (0.48 0.04 vs. 0.46 0.03). test hypothesis negatively correlated strength sexual selection. As predicted, there significant negative correlation between This suggests do indeed decrease selection increases but strong enough cause deviate type
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