depending on the phase of the life cycle in which they were found: During the aquatic (juvenile) stages, genes predominantly had a role in chemo-perception or perception of ‘smells’, while during the adult phase, the genes that were mostly expressed were those related to vision. For Almudí and Casares, “this suggests that the way of perceiving the external environment is completely different in the different vital phases and that this species has been able to adapt to such diverse environments through changes in its genome. In addition, investigating in detail how these molecules that perceive chemical signals are expressed in nymphs, we have discovered that many of them are found in the gills, which are organs located in the abdomen of

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nymphs and that had been considered as their main organ. respiratory”. The research also studied whether gene expression in certain tissues is maintained in different species of Cyprus Phone Number List winged insects, that is, if the genes that are expressed in the brain of a mayfly, for example, are the same as those expressed in the brain. of a fly. The team confirmed a significant conservation of genes expressed in mayfly and fly wings, and further observed that several of these genes had a role in wing development. “We compared the gene expression in different organs of the mayfly and we verified that the organ that shares a greater number of genes expressed with the wings are the gills, implying shared genetic programs and suggesting a common origin”, the

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researchers concluded. drones. Researchers from Harvard University have connected the evolution of the human knee with the development of osteoarthritis. A recent study published in Cell analyzes the evolution of the knee from a genetic perspective and suggests that recent genetic changes that slightly affect the shape of the knee contribute to the risk factors that cause arthritis in this joint. Major changes in the knee to adapt to standing Unlike their hominid ancestors, modern humans stand upright and walk on two limbs, known as bipedalism. Evolution until acquiring this human characteristic, modeled by natural selection, had to involve different anatomical changes to adapt the weight shift. One of the most affected structures was the knee, which began to

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