By Marta Koblańska, April 27, 14:30. Photo: Photo: Baboon, Clker-Free-Vector-Images, Pixabay
Baboons show greater resilience to diseases despite their diverse genome, whereas humans, with a singular set of chromosomes, exhibit increased susceptibility – according to a new study published in ,,Cell Genomics”.
Genetic variations differ in humans as a whole body or within the body in certain tissues. Genetic variation, simplifying, is the number of chromosomal sets expressed in a cell, lining up to tissue further organs. There may be haploid and diploid sets, meaning that in the first case, a single cell contains only one set of homologous chromosomes, i.e. chromosomes that are similar in their shape and size. In the other case, within the cell, a double set of chromosomes is expressed. Different individuals carry similar genetic information, but their variants can differ. These variants are known as alleles, and sometimes the first allele can be completely different from the second. This variation can occur in different regions of the genome. This is why, for example, children from the same parents may have different eye colors, or it can indicate which genes are inherited from the mother, while others may remain hidden unless they are still present.
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Why are genes less similar better for studying diseases?
Photo: Baboon, Clker-Free-Vector-Images, Pixabay Baboons show greater resilience to diseases despite their diverse genome, whereas humans, with a singular set of chromosomes, exhibit increased susceptibility – according to a new study published in ,,Cell Genomics”. Genetic variations differ in humans as a whole body or within the body in certain tissues. Genetic variation, simplifying, is the number of chromosomal…
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How do we cope with propaganda? Is it clear for most of us or not?
Photo: Radio waves, Credit: Clker-Free-Vector-Images, Pixabay Does repeating a lie a hundred times make it true? Unfortunately, more often than we would like, the answer is yes. This phenomenon is a key aspect of how propaganda operates. Propaganda has existed since the emergence of different organized human societies and countries. Innovations in communication tools and…
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What influences cognition? The exchange in purine bases and amino acids in the brain.
Photo: Adenine structure, one of the purine bases, specifically connects to thymine via hydrogen bonding in DNA and uracyl in RNA, as discovered by James Watson and Francis Crick in the 50s. Credit:kropekk_pl Of the about 20,000 metabolites discovered so far in human blood serum, over 1,300 and 140 lipids have been observed to profile the brain’s uptake and…
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When and why might the genetic code change? Groundbreaking research addresses these questions.
Photo: Evolved macroscopic “snowflake” yeast from the MuLTEE experiment. The large size of the nuclei (yellow) and cells (cyan) are results of whole-genome duplication and aneuploidy. Credit: Georgia Institute of Technology The specific chromosomal configurations and changes in their numbers may persist or disappear depending on population size and environmental conditions. Can we live outside…
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Who will pay more and who will pay less for oil in 2025?
Photo: Oil facility, eyeonicimages, Pixabay As China’s refineries’ product demand may reach its limits in 2025, the oil price for those in other locations can surge despite the foreseen global fuel surplus. Why? According to the International Energy Agency’s forecast for 2025, global oil demand is to increase to an average of one million barrels per…
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Why does mitochondrial disruption cost so much?
Photo: Mitochondrium, SkieTheAce, Pixabay Does evolution know the paths of the past and future? That’s possible according to new research published in ,,Cell”. How? By tracking the transport of signals and nutrients inside a cell. The mitochondrion is a cell organelle with a separate from the cell nucleus genetic material inherited only from a female…