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    Illustration of dividing human egg cell. — Stock Photo
    Illustration of dividing human egg cell.
    Female scientist using pipette in laboratory — Stock Photo
    Female scientist using pipette in laboratory
    Eight-cell embryo — Stock Photo
    Eight-cell embryo
    Animal cell during cytokinesis (cell division), illustration. — Stock Photo
    Animal cell during cytokinesis (cell division), illustration.
    Illustration of human multi-cellular embryo. — Stock Photo
    Illustration of human multi-cellular embryo.
    Mother with baby girl talking on pphone — Stock Photo
    Mother with baby girl talking on pphone
    Animal cell during cytokinesis (cell division), illustration. — Stock Photo
    Animal cell during cytokinesis (cell division), illustration.
    Modern photovoltaic panel installed in solar power farming station under blue sky on sunny day — Stock Photo
    Modern photovoltaic panel installed in solar power farming station under blue sky on sunny day
    Animal cell during cytokinesis (cell division), illustration. — Stock Photo
    Animal cell during cytokinesis (cell division), illustration.
    Sperm cells in seminiferous tubules — Stock Photo
    Sperm cells in seminiferous tubules
    Schoolboy using mobile technology for learning at school — Stock Photo
    Schoolboy using mobile technology for learning at school
    Animal cell with mitochondria, digital illustration. — Stock Photo
    Animal cell with mitochondria, digital illustration.
    Human embryo cell, digital illustration. — Stock Photo
    Human embryo cell, digital illustration.
    Close-up of hand of cell biologist holding flask of stem cells cultivated in red growth medium. — Stock Photo
    Close-up of hand of cell biologist holding flask of stem cells cultivated in red growth medium.
    Animal cell during cytokinesis (cell division), illustration. — Stock Photo
    Animal cell during cytokinesis (cell division), illustration.
    Animal cell during cytokinesis (cell division), illustration. — Stock Photo
    Animal cell during cytokinesis (cell division), illustration.
    Destruction of a human embryo — Stock Photo
    Destruction of a human embryo
    Cancer cell morphology — Stock Photo
    Cancer cell morphology
    Human four-cell embryo, digital illustration. — Stock Photo
    Human four-cell embryo, digital illustration.
    Hands of scientist using syringe and petri dish — Stock Photo
    Hands of scientist using syringe and petri dish
    Architect talking on cell phone at blueprints in urban office — Stock Photo
    Architect talking on cell phone at blueprints in urban office
    Migrating cancer cell — Stock Photo
    Migrating cancer cell
    Testicular cancer or teratoma — Stock Photo
    Testicular cancer or teratoma
    Four-cell embryo — Stock Photo
    Four-cell embryo
    Animal cell during cytokinesis (cell division), illustration. — Stock Photo
    Animal cell during cytokinesis (cell division), illustration.
    Magnified digital illustration of 4 cell stage embryo. — Stock Photo
    Magnified digital illustration of 4 cell stage embryo.
    Animal cells with mitochondria, digital illustration. — Stock Photo
    Animal cells with mitochondria, digital illustration.
    Animal cell during cytokinesis (cell division), illustration. — Stock Photo
    Animal cell during cytokinesis (cell division), illustration.
    Magnified digital illustration of blastocyst cell. — Stock Photo
    Magnified digital illustration of blastocyst cell.
    Illustration of silhouette of pregnant woman with visible uterus and 4 cell stage embryo. — Stock Photo
    Illustration of silhouette of pregnant woman with visible uterus and 4 cell stage embryo.
    Human embryo with four cells — Stock Photo
    Human embryo with four cells
    Meiotic cell division — Stock Photo
    Meiotic cell division
    Hands of scientist using syringe and petri dish — Stock Photo
    Hands of scientist using syringe and petri dish
    Illustration of silhouette of pregnant woman with visible uterus and fertilized egg cell. — Stock Photo
    Illustration of silhouette of pregnant woman with visible uterus and fertilized egg cell.
    Animal cell during cytokinesis cell division, digital illustration. — Stock Photo
    Animal cell during cytokinesis cell division, digital illustration.
    Human embryo cell, digital illustration. — Stock Photo
    Human embryo cell, digital illustration.
    Embryonic stem cells — Stock Photo
    Embryonic stem cells
    Bone marrow stem cells dividing — Stock Photo
    Bone marrow stem cells dividing
    Illustration of silhouette of pregnant woman with visible uterus and blastocyst. — Stock Photo
    Illustration of silhouette of pregnant woman with visible uterus and blastocyst.
    Immature dog sperm — Stock Photo
    Immature dog sperm
    Four-cell embryo — Stock Photo
    Four-cell embryo
    Illustration of silhouette of pregnant woman with visible uterus and 8 cell stage embryo. — Stock Photo
    Illustration of silhouette of pregnant woman with visible uterus and 8 cell stage embryo.
    Embryonic stem cells, illustration. — Stock Photo
    Embryonic stem cells, illustration.
    Human multi-cellular embryo — Stock Photo
    Human multi-cellular embryo
    Eight-cell embryo — Stock Photo
    Eight-cell embryo
    Meiotic cell division — Stock Photo
    Meiotic cell division
    Continents of world on screens connected by cables — Stock Photo
    Continents of world on screens connected by cables
    In vitro fertilisation process — Stock Photo
    In vitro fertilisation process
    Immature dog sperm — Stock Photo
    Immature dog sperm
    Magnified digital illustration of 2 cell stage embryo. — Stock Photo
    Magnified digital illustration of 2 cell stage embryo.
    Animal cell during cytokinesis (cell division), illustration. — Stock Photo
    Animal cell during cytokinesis (cell division), illustration.
    Female scientist in clean suit with test tubes studying coronavirus — Stock Photo
    Female scientist in clean suit with test tubes studying coronavirus
    Animal cell during cytokinesis (cell division), illustration. — Stock Photo
    Animal cell during cytokinesis (cell division), illustration.
    Illustration of silhouette of pregnant woman with visible uterus and 2 cell stage embryo. — Stock Photo
    Illustration of silhouette of pregnant woman with visible uterus and 2 cell stage embryo.
    Mother playing with baby girl and checking cell phone — Stock Photo
    Mother playing with baby girl and checking cell phone
    Undifferentiated stem cells — Stock Photo
    Undifferentiated stem cells
    Close-up of female scientist using pipette in laboratory — Stock Photo
    Close-up of female scientist using pipette in laboratory
    Magnified digital illustration of 16 cell stage embryo. — Stock Photo
    Magnified digital illustration of 16 cell stage embryo.
    Coloured scanning electron micrograph (SEM) of immature dog sperm. — Stock Photo
    Coloured scanning electron micrograph (SEM) of immature dog sperm.
    16-cell morula embryo — Stock Photo
    16-cell morula embryo