| sarcolemma | | |
| satellite DNA | 卫星DNA | 159 |
| SCE | 姐妹染色单体交换 | 19 |
| screening technique,multidisease | 多病性筛查技术 | 141 |
| screening,neotatal | 新生儿筛查 | 140 |
| screening,pooulation | 群体筛查 | 141 |
| secodary isozyme | 次级同工酶 | 81 |
| segregatioon load | 分离负荷 | 96 |
| selection | 选择 | 94 |
| selective coefficient | 选择压力 | 94 |
| selective pressure | 选择压力 | 94 |
| self-replication | 自体复制，自身复制 | 35 |
| semi-conservative replication | 半保留复制 | 35 |
| semi-dominance | 半显性 | 50 |
| sense strand | 有义链 | 36 |
| sequencing | 测序 | 109 |
| severe combined immunodeficiency | 严重联合免疫缺陷病 | 68 |
| sex chromatin | 性染色质 | 27 |
| sex-influrencek inheritance | 从性遗传 | 55 |
| sex-limited inheritance | 限性遗传 | 55 |
| sex-linked inheritance | 性连锁遗传，伴性遗传 | 53 |
| shift | 移位 | 16 |
| shout tandenm repeats | 短串联重复顺序 | 71 |
| sickle cell anemia | 镰状（形）细胞性贫血 | 165 |
| sickle cell disease | 镰形细胞病 | 62 |
| side line | 旁系 | 121 |
| simian crease | 猿线 | 135 |
| simple whorl | 单螺纹 | 134 |
| single strand conformation polymorphism | 单链构象多态性 | 162 |
| sister chromotid exchange | 姐妹染色单体交换 | 19 |
| slow inactivator | 慢灭活者 | 111 |
| smear | 连续带谱，血片状带型 | 160 |
| somatic cell | 体细胞 | 104 |
| hybridization | 体细胞杂交 | 104 |
| genetics | 体细胞遗传学 | 1，104 |
| gene therapy | 体细胞基因治疗 | 167 |
| Southern blot Southern | 印变杂交，DNA印变杂交 | 80 |
| spectrin | 膜收缩蛋白 | 70 |
| spherocytosis | 球形细胞增多症 | 70 |
| spina bifida | 脊柱裂 | 86 |
| spontaneous mutation | 自发突变，自然突变 | 43 |
| SRY gene | 睾丸决定因子基因 | 133 |
| SSCP | 单链构象多态性 | 162 |
| stem line | 干系 | 121 |
| strychnine | 士的宁 | 143 |
| subclinical marker | 亚临床标记 | 6 |
| succinylcholine | 琥珀酰碱 | 111 |
| sucrose intolerance,congenital | 先天性蔗糖不耐受症 | 80 |
| superfemale | 超雌 | 28 |
| suxamethonium | 琥珀酰碱 | 111 |
