home/medterms medical dictionary a-z list / dominant definition. Seed plants are vascular plants. Qui a la prépondérance par l'influence, le nombre, l'étendue ; prépondérant : L'idéologie dominante dans un pays. This means that for every chromosome in the body, there is another one to match it. .. ˈdämənəns Diagram of dominance of peas flowers. Definition noun (general) The state of being dominant; supremacy (genetics) The property of a gene (or allele) when it suppresses the expression, or dominates the effects, of the recessive gene (or allele). Definition (genetics) (Of, or pertaining to) An allele or a gene that is expressed in an organism’s phenotype, masking the effect of the recessive allele or gene when present (genetics) (Of, or pertaining to) An organism that expresses the dominant gene (or allele) (ecology) (Of, or pertaining to) An organism or group of organisms having the most considerable influence or control in its ecological community among other organism (neurology) Of, or pertaining to the normal tendency for one side of the body or of one of a pair of organs to dominate or be used in consistent persistence than the other Supplement In genetics, the dominant pertains to the one that determines the phenotype of an organism. Familial hypercholesterolemia (high blood. Genes are expressed through the process of protein synthesis. For instance, the consistent use of one side of the body, as in being left-handed or right-handed, and left-brained or right-brained (depending on which side of his brain is dominant or frequently used) is demonstrated as lateral dominance. A protein that is functional as a dimer. Views expressed here do not necessarily reflect those of Biology Online, its staff, or its partners. (In genetic terms, a recessive trait is one that is phenotypically expressed only in homozygotes). They differ from the other vascular plants in producing seeds that germinate into a new plant. Word origin: Latin, dominant– (s. of domināns, prp. In ecology, dominance pertains to the high status of an organism or a group of organism in a social group. In ecology, a dominant refers to an organism, such as an animal, dominating a social hierarchy and usually is the top predator with the greatest access to food resources, territory and mate. 2Biology Of a hereditary character, allele, or gene: not dominant. This elaborate tutorial provides an in-depth review of the different steps of the biological production of protein starting from the gene up to the process of secretion. All Rights Reserved. Find out how life arrived on Earth, why, and how living things evolved into their current diversities today. Any information here should not be considered absolutely correct, complete, and up-to-date. A dominant trait is opposed to a recessive trait which is expressed only when two copies of the gene are present. If your term is adopted, we will send 1,000 EzCoupon points to your GenScript account. The section is split into geological periods in the form of a timeline. The content on this website is for information only. Qui joue le principal rôle, qui domine parmi d'autres : Les traits dominants de son caractère. © 2001-2020 BiologyOnline. In biological contexts, it may mean differently in genetics, ecology, and neurobiology. For example in plants, apical dominance refers to the condition in which vertical growth supersedes lateral growth. Objectives To be familiar with the different geological periods and the major.. Mammals are a diverse group of organisms, where most of them develop their offspring within the uterus of the mother.

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