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Genetics

  1. Humans have ___ pairs of chromosomes
    23
  2. DNA is the ____ ____ of ____ and carries _____.
    chemical basis, heredity, genetic instructions
  3. Genes are the basic unit of ____; single unit of ___ on the chromosome
    heredity, DNA
  4. Genotype
    Underlying genetic makeup
  5. Phenotype
    Traits that are expressed
  6. Dominant genes
    always expressed if present
  7. Recessive genes
    not expressed unless in a pair
  8. Sex linked traits
    Traits linked to the X or Y chromosomes

    Usually recessive (carried on the X)
  9. Secondary sex characteristics
    hair, voice, skeletal musculature, etc.
  10. Testosterone
    • Impulsiveness & aggression
    • Alcoholism, antisocial behavior
  11. Estrogen
    • Verbal memory; prefrontal cortex
    • Serotonin reuptake in hippocampus
    • Emotional/ social acuity
  12. Ischemic stroke
    • Embolic (clot elsewhere that gets lodged)
    • Thrombotic (clot in the brain itself)

    Subarachnoid hemorrhage (broken blood vessel in brain)
Author
GoBroncos
ID
358204
Card Set
Genetics
Description
Updated

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