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Experiments on Plant Hybridization" (German: Versuche über Pflanzen-Hybriden) is a seminal paper written in 1865 and published in 1866 [1] [2] by Gregor Mendel, an Augustinian friar considered to be the founder of modern genetics. The paper was the result after years spent studying genetic traits in Pisum sativum, the pea plant.
Evolutionary history of plants. A late Silurian sporangium, artificially colored. Green: A spore tetrad. Blue: A spore bearing a trilete mark – the Y -shaped scar. The spores are about 30–35 μm across. The evolution of plants has resulted in a wide range of complexity, from the earliest algal mats of unicellular archaeplastids evolved ...
Photosynthesis ( / ˌfoʊtəˈsɪnθəsɪs / FOH-tə-SINTH-ə-sis) [ 1] is a system of biological processes by which photosynthetic organisms, such as most plants, algae, and cyanobacteria, convert light energy, typically from sunlight, into the chemical energy necessary to fuel their metabolism.
According to the report, the pipe bomb was found an hour and 40 minutes after Harris arrived at the DNC building. The report suggests it took the Secret Service 10 minutes to evacuate her, saying ...
WASHINGTON (Reuters) -A U.S. regulator said on Wednesday it still believes that air bag inflators in 49 million U.S. vehicles assembled by 13 automakers pose serious safety risks and it is ...
Jeffrey Iliff—a neurologist at the University of Washington who was part of the research team that discovered the glymphatic system in 2013—conducted a study in May that showed blast-induced ...
A cactus ( pl.: cacti, cactuses, or less commonly, cactus) [ 3] is a member of the plant family Cactaceae ( / kækˈteɪsi.iː, - ˌaɪ / ), [ a] a family comprising about 127 genera with some 1,750 known species of the order Caryophyllales. [ 4] The word cactus derives, through Latin, from the Ancient Greek word κάκτος ( káktos ), a ...
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