(genetics) The first generation resulting from a cross between parents homozygous for different alleles at a locus; all members are heterozygous at the locus. Symbolized F1.
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(genetics) The first generation resulting from a cross between parents homozygous for different alleles at a locus; all members are heterozygous at the locus. Symbolized F1.
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| F1 | |
| F2 (genetics) | |
| generation |
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