Study on heritability of growth in the juvenile sea urchin Strongylocentrotus nudus.
From: Journal of Shellfish Research
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Date: 8/1/2004
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Author: Jianhai, Xiang; Jun, Ding; Xiaolin, Liu; Xuebin, Cao; Yaqing, Chang
ABSTRACT The heritability of growth of juvenile Strongylocentrotus nudus was analyzed using quantitative genetic methods. Twenty-one half-sib groups and 60 to 63 full-sib groups of juveniles were obtained by artificial fertilization of three to five females by single males based on a nested design. The body weight (g) and test diameter (cm) of the young was measured 3 and 5 months after metamorphosis. Maternal component estimates are significantly greater than paternal component ...
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