Designer baby

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A designer baby is an embryo or fetus whose genetic makeup has been intentionally selected or altered, often to exclude a particular gene or to remove genes associated with disease, to achieve desired traits. This process usually involves preimplantation genetic diagnosis (PGD), which analyzes multiple human embryos to identify genes associated with specific diseases and characteristics, then selecting embryos that have the desired genetic makeup. While screening for single genes is commonly practiced, advancements in polygenic screening are becoming more prominent, though only a few companies currently offer it. This technique uses an algorithm to aggregate the estimated effects of numerous genetic variants tied to an individual's risk for a particular condition or trait. Other methods of altering a baby's genetic information involve directly editing the genome before birth, using technologies such as CRISPR. A controversial example of this can be seen in the 2018 case involving Chinese...

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