| DEFINITIONS | |
| TERMS | |
| Linkage group | A chromosome carries its linked genes en bloc in the form of a linkage group. |
| Crossing over | The exchange of segments between non-sister
chromatids of homologous chromosomes |
| Recombination frequency | The proportion of recombinant types between two gene pairs as compared to the sum of all |
| combinations is called cross over or
recombination frequency. |
|
| Gene loci | The recombination frequency is directly
proportional to the distance between the |
| Linkage group | A chromosome carries its linked genes en bloc in the form of a linkage group. |
| Linkage map | A linkage map is a chromosome map of a species that shows the position of its known genes or markers relative to each other, rather
than as specific physical points on each |
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