Table 1. Cryopreservation strategies
| Genotype of parentsa | Genotype of embryos | Minimum number of eight-cell embryos | |||
|---|---|---|---|---|---|
| Homozygous tgb | × | Homozygous tg | 100% homozygous tg | 200 | |
| Homozygous tg | × | Heterozygous tg | 50% homozygous tg, 50% heterozygous tg |
200 | |
| Homozygous tg | × | Wild type | 100% heterozygous tg | 300 | |
| Heterozygous tg | × | Heterozygous tg | 25% homozygous tg, 50% heterozygous tg, 25% wild type |
450 | |
| Heterozygous tg | × | Wild type | 50% heterozygous tg, 50% wild type |
500 | |
| a“Heterozygous” refers to both heterozygous and hemizygous genotypes. | |||||
| b(tg) Transgenic. | |||||










