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Que signifie phasage ?

What does phasing mean in genetics/informatics? I've heard that a phased file is a file that has genes separated by chromosome, but can someone give a concrete definition of what phasing actually m…
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20.3D : Modèles Web, réseau et anneau de vie - Biologie

To more accurately describe the phylogenetic relationships of life, web and ring models have been proposed as updates to tree models.Learning ObjectivesDescribe the web, network, and ring of life models of phylogenetic treesKey PointsA phylogenetic model that resembles a web or a network was proposed since eukaryotes evolved not from a single prokaryotic ancestor, but from a pool of many species that were sharing genes by HGT mechanisms.
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Général

La Chouette hulotte - Caractéristiques

Nom du personnage: Chouette hulotte Nom latin: Strix aluco Classe: Oiseaux Taille: 30 - 40cm Poids: 300 - 600g Âge: 12 - 20 ans Apparence: plumage brun, rougeâtre ou gris Dimorphisme sexuel: Oui Type de régime: Carnivore Aliments: Souris, Poissons , Grenouilles, moineaux, rat brun, vers Origine: inconnue Sommeil / rythme d'éveil: nocturne Habit: forêt à feuilles caduques et mixtes Prédateurs naturels: martre, buse, faucon Maturation sexuelle: avec la deuxième année d'accouplement Saison: février - Mars Période de reproduction: 28 jours Taille des œufs: 2 à 3 œufs Comportement social: oiseaux monogames En danger critique d'extinction: oui Vous pouvez trouver d'autres profils d'animaux dans l'Encyclopédie des animaux.
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17h25 : Symbiose - Biologie

Learning ObjectivesCompare and contrast the three different types of symbiotic relationshipsSymbiotic relationships, or symbioses (plural), are close interactions between individuals of different species over an extended period of time which impact the abundance and distribution of the associating populations.
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12.9 : Édition d'ARN - Biologie

RNA editing refers to changing the sequence of RNA after transcription, either by adding nucleotides, taking them away, or substituting one for another. The extent of editing is dramatic in some mRNAs, e.g. in the mitochondria of trypansomes and Leishmania. For example, for some mRNAs 55 of the nucleotide sequence is added after transcription!
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