Genotype and Phenotype

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Genotype and Phenotype
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• Genotype - The actual gene makeup of an organism
• Genotype - The letters youre made up of
• Ex - Hh or HH or hh

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• It is made up of two alleles, one from each
  parent
• Its got two letters, one from Mom and one from
  Pop

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• Homozygous (Purebred)
• Both alleles are the same
• Both capital or both lowercase letters
• Example - GG or gg

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• Heterozygous (Hybrid)
• Alleles are different
• One capital and one lowercase
• Example - Gg

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• Phenotype-
• The physical characteristics of an organism
• Its what you look like
• Example - Tall, brown hair,

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• If there is one or more dominant letter in the
  Genotype, that is what your phenotype will be
• If theres a capital letter, then youll look
  like what the capital letter stands for

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Example

• If capital T stands for tall then
• Genotype Phenotype
• TT Tall
• Tt Tall
• Tt Short