Genetics

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Author:
Geordanp
ID:
60790
Filename:
Genetics
Updated:
2011-01-19 17:56:22
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Genetics Vocab Review
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Genetics Vocab Review
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  1. scientific study of heredity
    genetics
  2. process in sexual reproduction in which male and femaale reproductive cells join to form a new cell
    fertilization
  3. term used to describe oranisms that produce offspring identical to themselves if allowed to self-polinate
    True-Breeding
  4. specific characteristics that varies from one individual to another
    trait
  5. offspring of crosses between parents with different traits
    hybrid
  6. sequence of DNA that codes for a protein and thus determines
    gene
  7. alternative form that a single gene may have for a particular trait
    allele
  8. a haploid sex cell, formed during meiois, that can combine with another haploid sex cell and produce a diploid fertolized egg
    gamete
  9. likelihood that a(n) event/result will occur
    probability
  10. organism with two of the same alleles for a specific trait
    homozygous
  11. organism with twon different alleles for a specific trait
    heterozygous
  12. observable characteristic that is expressed as a result of an allele pair.
    phenotype
  13. an organism's allele pairs
    genotype
  14. genes for different traits can segregate independently during the formation of gametes
    independent assortment
  15. complex in heritance pattern in which the heterozygous phenotype is intermediate between those of the 2 homozygous parent organisms
    incomplete dominance
  16. complex inheritance pattern that occurs when neither allele is dominant and both alleles are expressed
    codominance
  17. having more than two alleles for a specific trait
    multiple alleles
  18. characteristics, such as eye color or skin color, that results from the interaction of multiple gene pairs
    polygenic traits
  19. one of two paired chromosomes, one from each parent, that carries genes for a specific trait at the same location
    homologous
  20. having 2 copies of each chromosome
    diploid
  21. cell with half the number of chromosomes as a diploid cell
    haploid
  22. reduction division process, occuring only in reproductive cells, in which one diploid cell produces 4 haploid cells that are not genetically identical
    meiosis
  23. exchange of chromosal segments between a pair of homologous chromosomes during prophase I of meiosis
    crossing over

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