The latter combines marker score and phenotypic value as an index for selection.

后者是将标记值与表型值线性组合成一个指数，作为选择依据。

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Selection in traditional breeding is based on phenotypic value, called phenotypic value selection (PS).

传统育种是以个体表型值为依据进行选择的，称为表型值选择(PS)。

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Selection in traditional breeding is based on phenotypic value, called phenotypic value selection (PS).

传统育种是以个体表型值为依据进行选择的，称为表型值选择(PS)。

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