Aortic stenosis is a narrowing of the aortic valve which connects the heart to the rest of the body. It affects millions of people and can be fatal if left untreated. At present, there are no ...
A major new effort to uncover the medium- and large-scale genetic differences between humans may soon reveal DNA sequences that contribute to a wide range of diseases, according to a paper by Howard ...
The human genome is organised in 46 chromosomes, where all but the x and y chromosomes in men are present in two copies. This means that a person with a faulty gene on one chromosome most often has a ...
Variation is the differences between individuals of the same species, caused by genetic and environmental factors. Surveys into variation give data that are continuous, which means to come in a range, ...
Researchers report that they have identified genetic variants that determine the shape of human teeth, including a gene inherited from Neanderthals. The scientists published their paper “PITX2 ...
Scientists have come closer to answering the question of why some children are destined to grow tall while others will end up shorter than average following a study that has identified hundreds of ...
Some variation is the result of differences in the surroundings, or what an individual does. This is called environmental variation. Humans, dogs and goldfish are examples of species. Different ...
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