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  2. Genetic variation - Wikipedia

    en.wikipedia.org/wiki/Genetic_variation

    Genetic variation can be identified at many levels. Identifying genetic variation is possible from observations of phenotypic variation in either quantitative traits (traits that vary continuously and are coded for by many genes, e.g., leg length in dogs) or discrete traits (traits that fall into discrete categories and are coded for by one or a few genes, e.g., white, pink, or red petal color ...

  3. Human genetic variation - Wikipedia

    en.wikipedia.org/wiki/Human_genetic_variation

    Human genetic variation is the genetic differences in and among populations. There may be multiple variants of any given gene in the human population (alleles), a situation called polymorphism. No two humans are genetically identical. Even monozygotic twins (who develop from one zygote) have infrequent genetic differences due to mutations ...

  4. Genetics - Wikipedia

    en.wikipedia.org/wiki/Genetics

    Genetics is the study of genes, genetic variation, and heredity in organisms. [1][2][3] It is an important branch in biology because heredity is vital to organisms' evolution. Gregor Mendel, a Moravian Augustinian friar working in the 19th century in Brno, was the first to study genetics scientifically. Mendel studied "trait inheritance ...

  5. Genetic diversity - Wikipedia

    en.wikipedia.org/wiki/Genetic_diversity

    Genetic diversity is the total number of genetic characteristics in the genetic makeup of a species. It ranges widely, from the number of species to differences within species, and can be correlated to the span of survival for a species. [1] It is distinguished from genetic variability, which describes the tendency of genetic characteristics to ...

  6. Race and genetics - Wikipedia

    en.wikipedia.org/wiki/Race_and_genetics

    The report says researchers should not use race as a proxy for describing human genetic variation. Race is a social concept, but it is often used in genomics and genetics research as a surrogate for describing human genetic differences, which is misleading, inaccurate, and harmful. ^ Goodman AH (2020).

  7. Human genetics - Wikipedia

    en.wikipedia.org/wiki/Human_genetics

    Human genetics is the study of inheritance as it occurs in human beings. Human genetics encompasses a variety of overlapping fields including: classical genetics, cytogenetics, molecular genetics, biochemical genetics, genomics, population genetics, developmental genetics, clinical genetics, and genetic counseling.

  8. Polymorphism (biology) - Wikipedia

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

    Polymorphism is common in nature; it is related to biodiversity, genetic variation, and adaptation. Polymorphism usually functions to retain a variety of forms in a population living in a varied environment. [3]: 126 The most common example is sexual dimorphism, which occurs in many organisms.

  9. Heritability - Wikipedia

    en.wikipedia.org/wiki/Heritability

    Heritability measures the fraction of phenotype variability that can be attributed to genetic variation. This is not the same as saying that this fraction of an individual phenotype is caused by genetics. For example, it is incorrect to say that since the heritability of personality traits is about 0.6, that means that 60% of your personality ...