Ключевые слова: 3d illustration, biology, biotechnology, cell, cervix, clone, color, colored, colorful, conceive, conception, egg, embryo, embryogenesis, embryology, fecundation, female, fertilisation, fertility, fertilization, gamete, genes, genetic, human, infertility, insemination, intracytoplasmic, life, magnification, male, medicine, microscopic, nucleus, oocyte, ovulation, ovum, pregnancy, procreation, reproduction, reproductive, research, science, sexual reproduction, sperm, spermatozoon, zygote, zygotic,