AP Bio 2 - Genetics Genes Trait = specific characteristic...

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Genetics
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Genes Trait = specific characteristic that  changes from one individual to another Gene = chemical factors that determine  traits Found in DNA Genes for various traits are found on  chromosomes Allele = different forms of a gene
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Genes Example Trait = plant height Alleles (different forms of gene) Short Tall 
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Genes and Dominance Principle of Dominance = some alleles  are dominant and others are recessive Dominant alleles are generally expressed  using a capital letter Recessive alleles are usually expressed  using a lower case letter Ex. Plant height Dominant = tall (T) Recessive = short (t)
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Segregation of Alleles Each individual contains 2 alleles for  each trait (one from each parent) During meiosis, when the number of  chromosomes are reduced (diploid to  haploid), gametes are produced that  contain one allele for each trait Segregation = the separation of alleles  for a certain trait 
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This note was uploaded on 02/28/2009 for the course BIOLOGY Bio 101 taught by Professor Lancer during the Spring '09 term at Riverside Community College.

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AP Bio 2 - Genetics Genes Trait = specific characteristic...

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