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  2. List of organisms by chromosome count - Wikipedia

    en.wikipedia.org/wiki/List_of_organisms_by...

    The list of organisms by chromosome count describes ploidy or numbers of chromosomes in the cells of various plants, animals, protists, and other living organisms.This number, along with the visual appearance of the chromosome, is known as the karyotype, [1] [2] [3] and can be found by looking at the chromosomes through a microscope.

  3. Canid hybrid - Wikipedia

    en.wikipedia.org/wiki/Canid_hybrid

    It differs from cycle to cycle because the number of wolf genes inherited in the animal differs greatly and is recorded in a percentage form. The general layout for describing the percentage of wolfdogs is as follows: 1-49% is considered low content (LC), 50-74% is considered to be mid-content (MC), and 75% and higher is considered to be high ...

  4. Haplodiploidy - Wikipedia

    en.wikipedia.org/wiki/Haplodiploidy

    Therefore, the sperms are not identical, because in each chromosome of a pair there will be different alleles at many of the loci. But when the father is haploid all the sperms are identical (except for a small number where gene mutations have taken place in the germ line). So, all female offspring inherit the male's chromosomes 100% intact.

  5. Polyploidy - Wikipedia

    en.wikipedia.org/wiki/Polyploidy

    Polyploid types are labeled according to the number of chromosome sets in the nucleus. The letter x is used to represent the number of chromosomes in a single set: haploid (one set; 1x), for example male European fire ants; diploid (two sets; 2x), for example humans

  6. Ploidy - Wikipedia

    en.wikipedia.org/wiki/Ploidy

    Euploidy and aneuploidy describe having a number of chromosomes that is an exact multiple of the number of chromosomes in a normal gamete; and having any other number, respectively. For example, a person with Turner syndrome may be missing one sex chromosome (X or Y), resulting in a (45,X) karyotype instead of the usual (46,XX) or (46,XY).

  7. Scientists Have Found the First Branch on the Tree of Life - AOL

    www.aol.com/scientists-found-first-branch-tree...

    In both the non-animals and the comb jellies, researchers found 14 groups of genes located on separate chromosomes. But in the sponges, researchers found that those 14 groups had been rearranged ...

  8. Hybrid speciation - Wikipedia

    en.wikipedia.org/wiki/Hybrid_speciation

    Hybridization without change in chromosome number is called homoploid hybrid speciation. [1] This is the situation found in most animal hybrids. For a hybrid to be viable, the chromosomes of the two organisms will have to be very similar, i.e., the parent species must be closely related, or else the difference in chromosome arrangement will ...

  9. Felidae - Wikipedia

    en.wikipedia.org/wiki/Felidae

    Most cat species have a haploid number of 18 or 19. Central and South American cats have a haploid number of 18, possibly due to the combination of two smaller chromosomes into a larger one. [31] Felidae have type IIx muscle fibers three times more powerful than the muscle fibers of human athletes. [32]