double cross

'double cross' can also refer to...


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The technique used for producing hybrid seed for field corn. Four different inbred lines (A, B, C, and D) are used. A × B → AB hybrid and C × D → CD hybrid. The single-cross hybrids (AB and CD) are then crossed and the ABCD seed is used for the commercial crop.

Subjects: Genetics and Genomics.

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