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  2. Conserved signature indels - Wikipedia

    en.wikipedia.org/wiki/Conserved_signature_indels

    Conserved signature inserts and deletions (CSIs) in protein sequences provide an important category of molecular markers for understanding phylogenetic relationships. [1] [2] CSIs, brought about by rare genetic changes, provide useful phylogenetic markers that are generally of defined size and they are flanked on both sides by conserved regions to ensure their reliability.

  3. Genetic marker - Wikipedia

    en.wikipedia.org/wiki/Genetic_marker

    A genetic marker is a gene or DNA sequence with a known location on a chromosome that can be used to identify individuals or species. It can be described as a variation (which may arise due to mutation or alteration in the genomic loci) that can be observed.

  4. Marker gene - Wikipedia

    en.wikipedia.org/wiki/Marker_gene

    In biology, a marker gene may have several meanings. In nuclear biology and molecular biology, a marker gene is a gene used to determine if a nucleic acid sequence has been successfully inserted into an organism's DNA. In particular, there are two sub-types of these marker genes: a selectable marker and a marker for screening.

  5. Conserved sequence - Wikipedia

    en.wikipedia.org/wiki/Conserved_sequence

    In evolutionary biology, conserved sequences are identical or similar sequences in nucleic acids (DNA and RNA) or proteins across species (orthologous sequences), or within a genome (paralogous sequences), or between donor and receptor taxa (xenologous sequences). Conservation indicates that a sequence has been maintained by natural selection.

  6. Phylogenetic niche conservatism - Wikipedia

    en.wikipedia.org/wiki/Phylogenetic_niche...

    In an influential paper, Wiens and Donoghue [3] laid out how phylogenetic niche conservatism might help explain the latitudinal diversity gradient.While support for the hypothesis that niche conservatism drives latitudinally structured variation in species richness has been found in some clades, [11] overall, phylogenetic niche conservatism has not received strong support as the underlying ...

  7. Evolutionarily significant unit - Wikipedia

    en.wikipedia.org/wiki/Evolutionarily_Significant...

    An evolutionarily significant unit (ESU) is a population of organisms that is considered distinct for purposes of conservation. Delineating ESUs is important when considering conservation action. An ESU is not always equivalent to a biological species but can be also a subspecies, variety, geographic race, or population.

  8. Today’s NYT ‘Strands’ Hints, Spangram and Answers ... - AOL

    www.aol.com/today-nyt-strands-hints-spangram...

    For every 3 non-theme words you find, you earn a hint. Hints show the letters of a theme word. If there is already an active hint on the board, a hint will show that word’s letter order.

  9. Sequence logo - Wikipedia

    en.wikipedia.org/wiki/Sequence_logo

    A consensus logo is a simplified variation of a sequence logo that can be embedded in text format. Like a sequence logo, a consensus logo is created from a collection of aligned protein or DNA/RNA sequences and conveys information about the conservation of each position of a sequence motif or sequence alignment [1] [4].

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