Ernst Haeckel, a 19th-century German biologist, proposed the theory of recapitulation or “ontogeny recapitulates phylogeny.” This theory suggests that the development of an individual organism (ontogeny) as an embryo mirrors the evolutionary history of the species (phylogeny). According to Haeckel, the stages of development an embryo goes through, are similar to the stages of evolution that its ancestors experienced.
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Quick facts about the amazing DNA part 2 and 3
Did you know that we share approximately 50% of our DNA with bananas? Humans and pumpkins share 70% of DNA.
Human DNA begins to degenerate at the age of 55.
Continue reading “Quick facts about the amazing DNA part 2 and 3”Quick facts about the amazing DNA part 1
DNA was discovered by Friedrich Miescher in 1869, In 1940s Oswald Avery realized DNA contains humans’ genetic blueprint. DNA’s double-helix structure was discovered in 1953 by James Watson and Francis Crick. A helical weird thing occurred to both in a dream before starting their research.
Continue reading “Quick facts about the amazing DNA part 1”