The following is an excerpt.
Reproductive technologies such as in-vitro fertilization and preimplantation genetic diagnosis mean it is currently possible for parents to create a range of embryos and make decisions about which to implant on the basis of their genetic makeup. One interesting possibility is that we will soon be able to use such technologies to influence the intelligence of our future children. It is known that intelligence has at least a moderately important genetic component.
However scientists are finding it surprisingly difficult to locate the specific genes which affect intelligence. A recent study concluded that most reported genetic associations with general intelligence are false positives.
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Read the full article here: Searching for intelligence in our DNA
