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Genetics (194)

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EN_00966278_4471
EN_00966278_4471

Human cloning processes for therapeutic and reproductive uses. For therapeutic cloning, DNA is inserted into an enucleated donor egg cell, producing a blastocyst, and pluripotent embryonic stem cells are cultured for transplanting specialized cells. For reproductive cloning, the blastocyst is implanted into a surrogate, who brings the cloned infant to term.

EN_00966278_4473
EN_00966278_4473

Sheep cloning processes for therapeutic and reproductive uses. For therapeutic cloning, DNA is inserted into an enucleated donor egg cell, producing a blastocyst, and pluripotent embryonic stem cells are cultured for transplanting specialized cells. For reproductive cloning, the blastocyst is implanted into a surrogate, which brings the cloned sheep to term.

EN_00966278_4474
EN_00966278_4474

Sheep cloning processes for therapeutic and reproductive uses. For therapeutic cloning, DNA is inserted into an enucleated donor egg cell, producing a blastocyst, and pluripotent embryonic stem cells are cultured for transplanting specialized cells. For reproductive cloning, the blastocyst is implanted into a surrogate, which brings the cloned sheep to term.

EN_00966278_4476
EN_00966278_4476

Xenotransplant process to clone cells, organs, or tissue to transplant to a sheep for therapeutic use. Pig donor egg cells have alpha 1,3 galactosyl transferase removed to reproductively clone knockout pigs, lowering cross species organ or tissue transplant rejection. Sheep DNA can also be inserted and stem cells cultured for transplanting specialized cells.

EN_00966278_4477
EN_00966278_4477

Xenotransplant process to clone cells, organs, or tissue to transplant to a sheep for therapeutic use. Pig donor egg cells have alpha 1,3 galactosyl transferase removed to reproductively clone knockout pigs, lowering cross species organ or tissue transplant rejection. Sheep DNA can also be inserted and stem cells cultured for transplanting specialized cells.

EN_00966278_4479
EN_00966278_4479

Xenotransplant process to clone cells, organs, or tissue to transplant to a human for therapeutic use. Pig donor egg cells have alpha 1,3 galactosyl transferase removed to reproductively clone knockout pigs, lowering cross species organ or tissue transplant rejection. Human DNA can also be inserted and stem cells cultured for transplanting specialized cells.

EN_00966278_4480
EN_00966278_4480

Xenotransplant process to clone cells, organs, or tissue to transplant to a human for therapeutic use. Pig donor egg cells have alpha 1,3 galactosyl transferase removed to reproductively clone knockout pigs, lowering cross species organ or tissue transplant rejection. Human DNA can also be inserted and stem cells cultured for transplanting specialized cells.

EN_00966278_4481
EN_00966278_4481

Conceptual image of cloning, here a sheep.

EN_00966278_4482
EN_00966278_4482

Conceptual image of cloning, here a sheep.

EN_00966278_4483
EN_00966278_4483

Conceptual image of cloning, here a sheep.

EN_00966278_4484
EN_00966278_4484

Conceptual image of xenotransplant cloning, here a sheep (host) and pig (donor). Knockout or transgenic pigs have a gene knocked out, helping inhibit rejection of the organ or tissue in the host.

EN_00966278_6116
EN_00966278_6116

Conceptual illustration of a hollow head in a bubble.

EN_00966278_6135
EN_00966278_6135

Illustration of a female figure in a test tube.

EN_00966278_6136
EN_00966278_6136

Illustration of a man climbing a DNA ladder.

EN_00966278_6245
EN_00966278_6245

Molecular model of phenylalanine transfer RNA (tRNA), with oxygen (red), carbon (green), and nitrogen (blue). A striking feature of tRNA is the presence of minor bases in addition to the normal bases A,U, G and C. The atoms of these minor bases are colored white.

EN_00966278_6348
EN_00966278_6348

Computer generated molecular model of a hairpin ribozyme (a RNA enzyme, also known as a catalytic RNA), a small RNA molecule that can catalyze a chemical reaction. The hairpin ribozyme is one of four known natural catalytic RNA's that carry out sequence-specific cleavage of RNA. The model shows the atoms as spheres and the backbone structure as a long tube.

EN_00966278_6987
EN_00966278_6987

Montage illustration of DNA showing the DNA helix, a human fingerprint, and a human fetus at approximately 14 weeks gestation.

EN_00966278_7363
EN_00966278_7363

Illustration of a helicase enzyme separating two strands of deoxyribonucleic acid (DNA). The process of unraveling a double helix of nucleic acid strands is important to many cellular functions, such as DNA replication, RNA synthesis, RNA transcription, DNA recombination, and DNA repair.

EN_00966278_7364
EN_00966278_7364

Illustration of a helicase enzyme separating two strands of deoxyribonucleic acid (DNA). The process of unraveling a double helix of nucleic acid strands is important to many cellular functions, such as DNA replication, RNA synthesis, RNA transcription, DNA recombination, and DNA repair.

EN_00966278_7365
EN_00966278_7365

Illustration of a helicase enzyme separating two strands of deoxyribonucleic acid (DNA). The process of unraveling a double helix of nucleic acid strands is important to many cellular functions, such as DNA replication, RNA synthesis, RNA transcription, DNA recombination, and DNA repair.

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