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17 Cards in this Set
- Front
- Back
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intermediate phenotype
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incomplete dominance
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examples of incomplete dominance
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snapdragons, eye color
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examples of codominance
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human blood types
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three alleles for human blood type
-what chromosome? |
IA, IB, i
-chromosome 9 |
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possible combos for blood type A
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IA IA, IA i
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possible combo for blood type O
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ii
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blood type is universal donor,
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O
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examples of polygenic inheritance
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skin color, human height
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most common height
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65 inches
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used in humans bc we cannot do monohybrid crosses in humans due to ethics
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pedigree analysis
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sickle cell anemia: what kind of disease?
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recessive
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carriers of sickle cell happen to be resistant to what?
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malaria
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cystic fibrosis what kind of disease?
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recessive
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most common lethal genetic disease in the US
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cystic fibrosis
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achondroplasia?
-affects how many? -what genotype dies before birth? -dwarfs? |
autosomal dominant
-1 out of 1000 -homozygous dominant -heterozygous |
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huntington disorder
-located on what chromosome |
autosomal dominant
-BUT no symptoms till 35 to 45 -4 |
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dihybrid cross ratio
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9:3:3:1
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