Charidys melendez

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  1. Nitrogen Bases
    Are molecules that contain nitrogen and other elements.
  2. DNA Replication
    Is the procces in wich an identical copy of a DNA strand is formed for a new cell.
  3. Recessive Allele
    Is hidden whenever the dominant allele is present.
  4. Purebred
    Organisms are the offspring of many generations that show the same form of a trait.
  5. Heredity
    Is the passing of physical characteristics, or traits, from parents to offspring.
  6. Hybrid
    Organism that has two different alleles for a trait. 
  7. Fertilization
    A new organsm begins to form when an egg and sperm cells join in the process.
  8. Alleles
    Are the different forms of a gene
  9. Dominant Alleles
    Is one whose trait always shows up in the organism when the allele is present.
  10. Genetics
    The scientific study of heredity.
  11. Heterozygous
    An organism that has two different alleles for a trait.
  12. Pedigree
    Is a chart or "family tree" that shows the presence or absence of a trait according to the relationship within a family across several generations.
  13. Probability
    Is a number that describes how likely it is that an event will occur.
  14. Genotype
    Is an organisms genetic make up, or alleles.
  15. Punnett Square
    Is a chart that shows all the possible ways alleles can combine in genetic cross.
  16. Homozygous
    An organism that has two identical alleles for a trait.
  17. Phenotype
    Is an organisms physical appearance, or visible traits.
  18. Meiosis
    Is the process by wich the number of chromosones is redeuced by half as sex cells form.
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Charidys melendez
2013-03-14 02:19:28

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