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  2. Fixed allele - Wikipedia

    en.wikipedia.org/wiki/Fixed_allele

    In population genetics, a fixed allele is an allele that is the only variant that exists for that gene in a population. A fixed allele is homozygous for all members of the population. [1] The process by which alleles become fixed is called fixation. For this hypothetical species, the population in the topmost frame exhibits no fixed allele for ...

  3. Ordered graph - Wikipedia

    en.wikipedia.org/wiki/Ordered_graph

    The width of a node is the number of its parents, and the width of an ordered graph is the maximal width of its nodes. The induced graph of an ordered graph is obtained by adding some edges to an ordering graph, using the method outlined below. The induced width of an ordered graph is the width of its induced graph. [2] Given an ordered graph ...

  4. Fixation (population genetics) - Wikipedia

    en.wikipedia.org/wiki/Fixation_(population_genetics)

    Fixation rates can easily be modeled as well to see how long it takes for a gene to become fixed with varying population sizes and generations. For example, The Biology Project Genetic Drift Simulation allows to model genetic drift and see how quickly the gene for worm color goes to fixation in terms of generations for different population sizes.

  5. Locus (genetics) - Wikipedia

    en.wikipedia.org/wiki/Locus_(genetics)

    In genetics, a locus (pl.: loci) is a specific, fixed position on a chromosome where a particular gene or genetic marker is located. [1] Each chromosome carries many genes, with each gene occupying a different position or locus; in humans, the total number of protein-coding genes in a complete haploid set of 23 chromosomes is estimated at ...

  6. Tree structure - Wikipedia

    en.wikipedia.org/wiki/Tree_structure

    A node's "parent" is a node one step higher in the hierarchy (i.e. closer to the root node) and lying on the same branch. "Sibling" ("brother" or "sister") nodes share the same parent node. A node's "uncles" (sometimes "ommers") are siblings of that node's parent. A node that is connected to all lower-level nodes is called an "ancestor".

  7. Cline (biology) - Wikipedia

    en.wikipedia.org/wiki/Cline_(biology)

    In biology, a cline is a measurable gradient in a single characteristic (or biological trait) of a species across its geographical range. [1] Clines usually have a genetic (e.g. allele frequency, blood type), or phenotypic (e.g. body size, skin pigmentation) character. They can show either smooth, continuous gradation in a character, or more ...

  8. World Cup 2014 - Switzerland vs. France | The Huffington Post

    data.huffingtonpost.com/2014/world-cup/matches/...

    The 2014 World Cup in Brazil has begun. Check HuffPost's World Cup dashboard throughout the tournament for standings, schedules, and detailed summaries of each match.

  9. Punnett square - Wikipedia

    en.wikipedia.org/wiki/Punnett_square

    Punnett squares for each combination of parents' colour vision status giving probabilities of their offsprings' status, each cell having 25% probability in theory. The Punnett square is a square diagram that is used to predict the genotypes of a particular cross or breeding experiment.