List-I (Genetic status of a crop) & List-II (Nomenclature)
(A) Homozygous- Homogeneous & (I) Hybrid
(B) Homozygous- Heterogenous & (IV) Multiline variety
(C) Heterozygous- Homogeneous & (III) Pure line variety
(D) Heterozygous- Heterogenous & (II) Synthetic variety
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To easily remember this matrix:
- Homo-Homo: Pure line variety Inbred line.
- Hetero-Homo: $F_1$ Hybrid (all plants are identical but genetically heterozygous).
- Homo-Hetero: Multiline (mixture of different pure lines).
- Hetero-Hetero: Synthetic Composite Open-pollinated variety.