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The AU's secretariat, the African Union Commission, is based in Addis Ababa. The largest city in the AU is Lagos, Nigeria while the largest urban agglomeration is Cairo, Egypt . The African Union has more than 1.3 billion people and an area of around 30 million km 2 (12 million sq mi) and includes world landmarks such as the Sahara and the Nile ...
The fact that small cats have an ERV where the larger cats do not suggests that the gene was inserted into the ancestor of the small cats after the larger cats had diverged. [35] Another example of this is with humans and chimps. Humans contain numerous ERVs that comprise a considerable percentage of the genome.
[a] [18] The DNA was kept double-stranded by an enzyme, DNA polymerase, which recognises the structure and directionality of DNA. [19] The integrity of the DNA was maintained by a group of repair enzymes including DNA topoisomerase. [20] If the genetic code was based on dual-stranded DNA, it was expressed by copying the information to single ...
Whereas Y-DNA and mtDNA haplogroups represent but a small component of a person's DNA pool, autosomal DNA has the advantage of containing hundreds of thousands of examinable genetic loci, thus giving a more complete picture of genetic composition. Descent relationships can only be determined on a statistical basis, because autosomal DNA ...
RNA strands are created using DNA strands as a template in a process called transcription, where DNA bases are exchanged for their corresponding bases except in the case of thymine (T), for which RNA substitutes uracil (U). [4] Under the genetic code, these RNA strands specify the sequence of amino acids within proteins in a process called ...
One study found about 75% of the available DNA in those databases comes from people of northern European descent. "Children of color, families of color, have a smaller footprint in the DNA ...
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Deoxyribonucleic acid (DNA) is a nucleic acid containing the genetic instructions used in the development and functioning of all known living organisms. The chemical DNA was discovered in 1869, but its role in genetic inheritance was not demonstrated until 1943. The DNA segments that carry this genetic information are called genes.