genetics - dna - fetus

acid baby birth blood cells child chromosome code concept conception conceptual deoxyribonucleic development dna doctor double egg embryo engineering familial female fertilized fetal fetus foetus genes genetic genetics gestation gestational health healthcare helix heredity human inheritance male mapping mask medic medical medicine microscopic offspring pregnancy prenatal reproduction reproductive research ribonucleic rna science scientific technology test treatment tube unborn uterus womb