Science

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Author:
Anonymous
ID:
99164
Filename:
Science
Updated:
2011-08-31 03:52:07
Tags:
Genetics
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Description:
Genetics
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  1. DNA
    a complex molecule which genes are made of.
  2. Gene
    A piece of the genetic code which carries the instructions for a certain characteristic
  3. Chromosome
    a structure int he nucleus that is made up of many genes
  4. Mitosis
    cell division that produces all new cells for growth and repair. (not sex cells) - doubles, splits
  5. Meiosis
    cell division that produces the sex cells - doubles, splits, splits again.
  6. Gametes
    Sex cells
  7. Alleles
    Different forms of a gene
  8. Zygote
    fertalised egg cell
  9. Heterozygous
    a genotype where both alleles are different
  10. Homozygous
    A genotype where both alleles are the same
  11. Genotype
    The actual genetic code held by the individual
  12. Phenotype
    the characteristics of the genotype tgar are visable/expresses in an individual

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