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A fish (pl.: fish or fishes) is an aquatic, anamniotic, gill-bearing vertebrate animal with swimming fins and a hard skull, but lacking limbs with digits. Fish can be grouped into the more basal jawless fish and the more common jawed fish , the latter including all living cartilaginous and bony fish , as well as the extinct ...
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Learn about the diversity, evolution, and ecology of fish, the vertebrates that live in water and have a backbone. Explore stunning photos and videos of different fish species, from sharks and rays to salmon and eels.
15 de may. de 2024 · Learn about fish, the diverse group of vertebrates that live in water and have gills, scales, and fins. Explore the evolution, diversity, ecology, and human uses of fish, from jawless lampreys to warm-blooded opahs.
En amarillo, el cromosoma 2. FISH o hibridación fluorescente in situ es una técnica citogenética de marcaje de cromosomas mediante la cual estos son hibridados con sondas que emiten fluorescencia y permiten la visualización, distinción y estudio de los cromosomas de núcleos en metafase o inferfase, así como de las anomalías ...
Las técnicas de hibridación in situ (ISH) permiten detectar secuencias específicas de ácidos nucleicos (ADN o ARN) sobre preparaciones celulares y cortes de tejido. Estas técnicas han ido en incremento en los últimos años complementando a las técnicas de citogenética convencional.
Learn about different types of fish, their habitats, and how they breathe. Explore fun facts and photos of blue marlin, bull shark, clown anemonefish, electric eel, and more.
