genotype

(noun)

The combination of alleles, situated on corresponding chromosomes, that determines a specific trait of an individual, such as "Aa" or "aa".

Related Terms

  • fitness
  • innate
  • gene
  • instinct
  • trait
  • natural selection
  • heritability
  • locus

(noun)

That part (DNA sequence) of the genetic makeup of a cell, and therefore of an organism or individual, which determines a specific characteristic (phenotype) of that cell/organism/individual.

Related Terms

  • fitness
  • innate
  • gene
  • instinct
  • trait
  • natural selection
  • heritability
  • locus

Examples of genotype in the following topics:

  • Evolutionary Theory of Motivation

    • Consider the following example: in a population's gene pool, a genotype exists for an infant that is unattached from its mother—it will crawl away and does not have any "love" or other significant attachment to its mother.
    • Over time, mutations accumulate and another genotype develops that causes infants to become uncomfortable and cry when their mothers leave them.
    • This illustrates the basic idea behind evolutionary psychology in human development: the innate behaviors of very young children are pre-programmed in their genotypes and can be understood by studying the environmental forces that surrounded our ancestors.
  • The Brain and Personality

    • He referred to these forces as Genotypes and Phenotypes.
    • Genotypes are internal forces that relate to how a person retains information and uses it to interact with the world.
  • Gene-Environment Correlations: Nature or Nurture?

    • When the children's own genotype influences their behavior or cognitive outcomes, the result can be a misleading relationship between environment and outcome.
    • Identical twins share the same genotype, meaning their genetic makeup is the same.
  • Allport's, Cattell's, and Eysenck's Trait Theories of Personality

    • Allport hypothesized that internal and external forces influence an individual's behavior and personality, and he referred to these forces as genotypes and phenotypes.
    • Genotypes are internal forces that relate to how a person retains information and uses it to interact with the world.
  • Nature vs. Nurture

    • Beyond our basic genotype, however, there is a deep interaction between our genes and our environment: our unique experiences in our environment influence whether and how particular traits are expressed, and at the same time, our genes influence how we interact with our environment (Diamond, 2009; Lobo, 2008).
  • Biological Influences on Sexual Motivation

    • Male animals may also emit pheromones that convey information about their species and genotype .
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