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In genetics, dominance is the phenomenon of one variant of a gene on a chromosome masking or overriding the effect of a different variant of the same gene on the other copy of the chromosome. [1] [2] The first variant is termed dominant and the second is called recessive.
Jun 9, 2019 · It's all due to gene transmission. As discovered by Gregor Mendel, traits are inherited by the transmission of genes from parents to their offspring. Genes are segments of DNA located on our chromosomes. They are passed on from one generation to the next through sexual reproduction.
- Regina Bailey
6.5 Types of Dominance – Introduction to Genetics. As we discussed in the previous section on polygenic traits, in humans most characteristics do not fit into two different phenotypes — complex traits, e.g., height, hair texture, skin colour etc., seemingly do not follow Mendelian analysis.
3 days ago · A dominant gene, or a dominant version of a gene, is a particular variant of a gene, which for a variety of reasons, expresses itself more strongly all by itself than any other version of the gene which the person is carrying, and, in this case, the recessive.
Oct 12, 2024 · Dominance, in genetics, greater influence by one of a pair of alleles that affect the same inherited character. In ecology, the term dominance refers to a species of animal or plant that exerts the most influence on other species of its community because its members are the most abundant or the largest.
- The Editors of Encyclopaedia Britannica
1 day ago · Dominant, as related to genetics, refers to the relationship between an observed trait and the two inherited versions of a gene related to that trait. Individuals inherit two versions of each gene, known as alleles, from each parent.
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The terms dominant and recessive describe the inheritance patterns of certain traits. That is, they describe how likely it is for a certain phenotype to pass from parent offspring. Sexually reproducing species, including people and other animals, have two copies of each gene.
