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Related Flashcards
Cards In This Set
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Alleles
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The two possible forms of a gene (ie - blue or brown eyes)
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DNA (deoxyribonucleic acid)
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Heredity material (instructions)
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Dominant
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The allele with the most influence
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Rosalind Franklin
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Scientist who showed DNA to be in the shape of a spiral staircase
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Genetic engineering
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The maninpulation (changing) of genes by scientists
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Genotype
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The genetic makeup of an organism
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Heredity
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Traits passed from parents to offspring
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Heterozygous/hybrid
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Genotype with two different alleles (one dominant and one recessive)
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Homozygous/purebred
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Genotype with both alleles the same (both dominant or both recessive)
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Incomplete dominance
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When each allele has its own degree of influence (dominat alleles have more influence than recessive alleles)
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Gregor Mendel
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Austrian monk who did scientific experiments on pea plants to study how traits are passed from one generation to another
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Mutations
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A change (mistake) in DNA; insertion, deletion, or substitution
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Nitrogen bases
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There are 4 different bases for DNA (adenine, thymine, guanine, and cytosine); fit together like puzzle pieces (A/T and C/G)
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Pedigree
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A diagram showing how traits pass through generations of a family
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Phenotype
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The physical characteristics of an organism (how it looks)
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