Chapter Nine "Intro to Genetics" Vocabulary

  1. one of the alt. forms of a gene that governs a charactistic´╗┐
  2. the tip of a stamen, which contains the pollen sacs where grain forms
  3. a reproductive process in which pollen from one plant is transferred to the stigma in another plant
  4. allele that is fully expressed when carried by only one of a pair of homologous chromosomes
  5. the first generation of offspring from an experimental cross of two organisms
    F1 Generation
  6. the offspring from the F1 generation
    F2 Generation
  7. the science of heredity and of the mechanisms by which traits are passed from parent to offspring
  8. the passing of genetic traits from one offspring to the next
  9. the law that states that genes seperate independently from one another in meiosis
    Law of Independent Assortment
  10. the pairs of homologous chromosomes seperate in meiosis so only one chromosomes from each pair is present in each gamete
    Law of Segregation
  11. the study of the structure of neuleic acids and the function and regulation of genes
    molecular genetics
  12. parental generation, the first two individuals that mate in a genetic cross
    P1 Generation
  13. the transfer of pollen from the anthers to the pistil of a flower in angiosperms or the ovule in gynosperms
  14. true-breeding flowers
  15. the one of a pair of alt. alleles whose effect is masked
  16. cross between a dominant phenotyped organism and an organism with a recessive phenotype
    test cross
  17. transfer of pollen from an anther to a stigma of the same plant
  18. part of the pistil of a plant that recieves pollen
  19. group of organisms of the same species, having distinctive characteristics but not usually considered a seperate breed
  20. a genetically determined characteristic or condition
  21. of or relating to an equal degree of dominace of two genes, both being expressed in the phenotype
  22. when one gene totally masks the other gene of the phenotype
    complete dominance
  23. the offspring of parents differing in two specific pairs of genes
  24. the genetic makeup of an organism or group of organisms with referance to a single trait, or more traits
  25. proportion of genotypes found in individuals after a cross
    genotypic ratio
  26. having dissimilar pairs of genes for any hereditary characteristics
  27. having identical pairs of genes for any given pair of hereditary characteristics
  28. a heterozygous condition in which both alleles at a gene locus are partially expressed
    incomplete dominace
  29. the offspring of individuals that differ with respect to a particular gene type
    monohybrid cross
  30. the observable constitution of an organism
  31. ration showing the varied outcomes that comes from a genetic cross
    phenotypic ratio
  32. the likelyhood that a given event will occur
  33. a diagram that is used to predict the outcome of a particular cross or breeding experiment
    punnett square
Card Set
Chapter Nine "Intro to Genetics" Vocabulary
These are the vocabulary words from Chapter Nine, "Intro to Genetics" for my Biology class.