Who is genetically closer to a man than a woman? Detailed answer

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Who is genetically closer to a man than a woman? Detailed answer

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Who is genetically closer to a man than a woman?

Humans are genetically closest to chimpanzees: depending on the method of counting, the similarity of our genomes ranges from 94% to 98%. The fact that chimpanzees have one pair of chromosomes more is explained by the fact that in human ancestors, two chromosomes merged into one during evolution, which is very similar in structure to the two unfused chimpanzee chromosomes. In this regard, it can be argued that, due to the difference in sex chromosomes, there are more genetic differences between a man and a woman than between a man and a male chimpanzee.

Authors: Jimmy Wales, Larry Sanger

Random interesting fact from the Great Encyclopedia:

Did any of the European rulers wear a yellow star as a sign of solidarity with the Jews?

After the occupation of Denmark by the Nazis, King Christian X remained in the country, becoming a symbol of Danish resistance. He rode daily through the streets of Copenhagen without guards, and also allegedly wore a yellow Star of David on his clothes as a sign of solidarity with the Jews. In fact, there was no second one, since it was in Denmark that the Nazis never issued such an order regarding the Jews. But from the later published diaries of the king it is clear that in the event of an order, he intended to hang a star on himself and agitate all Danes to follow his example.

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In modern agriculture, technological progress is developing aimed at increasing the efficiency of plant care processes. The innovative Florix flower thinning machine was presented in Italy, designed to optimize the harvesting stage. This tool is equipped with mobile arms, allowing it to be easily adapted to the needs of the garden. The operator can adjust the speed of the thin wires by controlling them from the tractor cab using a joystick. This approach significantly increases the efficiency of the flower thinning process, providing the possibility of individual adjustment to the specific conditions of the garden, as well as the variety and type of fruit grown in it. After testing the Florix machine for two years on various types of fruit, the results were very encouraging. Farmers such as Filiberto Montanari, who has used a Florix machine for several years, have reported a significant reduction in the time and labor required to thin flowers. ... >>

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Multicolored photons 25.07.2017

Despite the huge amount of research in the field of quantum computing, universal quantum computers continue to be a purely theoretical concept. Let us remind our readers that the basis of any quantum computer or communication system is quantum bits called qubits. Qubits differ from traditional bits in that, in addition to the two basic states, 1 or 0, they can be in a third state - in a state of superposition, when the value of a qubit is both 1 and 0. This, in turn, allows using one qubit to perform two parallel computing operations.

The connection of individual qubits into a computing system is carried out using the phenomenon of quantum entanglement. At the same time, a system of two qubits is already capable of performing four parallel operations, and a system of three qubits is capable of performing eight. And a system with dozens of qubits is capable of computing much faster than traditional computers.

However, the state of superposition and the phenomenon of quantum entanglement are extremely fragile things that are destroyed at the slightest impact on them from the outside. And scientists from the Institute INRS (Institut national de la recherche scientifique), Canada, have proposed a very interesting and promising alternative to qubits - multidimensional quantum bits (quDit), based on the use of "colorful" photons of light. Moreover, these researchers created a quantum chip on which two quDits were created, with the help of which research was carried out on this new quantum technology.

An optical cavity is located on the surface of the quantum chip, into which two entangled photons of light are launched. Each of the photons can have 10 basic quantum states determined by its wavelength (color) and be in a state of superposition, in which it can be red AND green AND blue AND yellow at the same time. These colors were given conditionally, since infrared photons were used in practice.

Thus, each of the "colorful" photons is capable of being in 100 different states, and a system of two such photons, quDits, is equivalent in performance (the number of parallel operations performed by it) to a system with 12 classical qubits entangled with each other. "For the first time, we have managed to obtain a multidimensional quantum state in a fairly simple way," says Michael Kues, lead researcher. "And our next task will be to use such a multidimensional quantum system to perform practical calculations."

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