Table 4 Ratio of nuclear DNA content to the total DNA content in gonosomal chromatin bodies (GCBs) in the placental trophoblast cells at 14th day pc.
Cell population | Ploidy | Nuclei with single GCB | Nuclei with two or more GCBs | ||||
|---|---|---|---|---|---|---|---|
No. of embryo | No. of embryo | ||||||
2–1 | 2–4 | 2–2 | 2–1 | 2–4 | 2–2 | ||
Trophoblast cells of the junctional zone of placenta | 2 c | 12.4 ± 2.4 | - | - | - | - | - |
4 c | 25.1 ± 3.0 | 18.7 ± 1.8 | 20.7 ± 6.2 | 9.5 ± 7.1 | 11.2 ± 1.7 | 11.4 ± 1.8 | |
8 c | 23.2 ± 1.6 | 17.6 ± 1.7 | 17.3 ± 2.8 | 14.1 ± 3.8 | 12.7 ± 1.5 | 12.5 ± 1.7 | |
16 c | 17.7 ± 1.6 | 10.4 ± 1.4 | 16.0 ± 1.8 | 14.8 ± 3.1 | 10.2 ± 1.4 | 13.2 ± 1.5 | |
Secondary giant trophoblast cells | 32 c | 17.7 ± 1.6 | 15.0 ± 1.7 | 14.8 ± 3.4 | 13.0 ± 3.4 | 10.2 ± 1.4 | 8.9 ± 1.3 |
64 c | 21.9 ± 3.7 | 16.6 ± 1.7 | 12.7 ± 2.3 | 16.1 ± 2.8 | 11.3 ± 1.7 | 10.3 ± 1.3 | |
128 c | 19.6 ± 0.2 | 30.9 ± 2.8- | 11.9 ± 0.8 | 13.9 ± 5.2 | 13.5 ± 2.0 | 11.9 ± 20.2 | |
256 c | - | - | - | - | 8.3 ± 1.9 | - | |