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Punnet Square
A method for determining outcome of inheritence on offspring
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Dominant
- Genes that are dominant over Recessive genes
- Represented by an Uppercase letter
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Recessive
- Genes that are under Dominant ones.
- Represented by a Lowercase Letter
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Homozygous
- Contains the same pairs of genes or alleles
- Ex. RR rr
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Heterozygous
- Contains mixes of pairs of genes or alleles
- Ex. Rr
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Genotype
- The combination of alleles carried by the individual/organism
- The "Genetic Code" that is not seen
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Phenotype
The appearance of the individual or organism created from the Genotype
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Test Cross
Cross a Dominant Phenotype to a homozygous recessive to see if the Dominant is Heterozygous or Homozygous
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Male Sex Chromosome Vs. Female Sex Chromosome
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Incomplete Dominance
The phenotype of heterozygotes is intermediate between the phenotypes of the homozygotes
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Diseases or Disorders are usually_____ genes
Recessive
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Some genetic disorders are caused by____
- abnormal numbers of autosomes
- -Probability increases with age of parents
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Antegins
Located on red blood cells... determines which blood type can be accepted
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Antibodies
- Fight off infections
- Bond with other types of blood than organisms blood type
- Ex. is If Tyler has A blood type and receives B blood transfusion, the Antibodies will form bonds with them and create blockage leading to stroke or heartattack
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