Genetic vocabulary
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each of the black spaces below before clicking
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| Allele | one member in a gene pair that controls characteristics such as eye and hair color
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| DNA | Deoxyribonucleic acid, makes up chromosomes and the carries genetic information
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| Dominance | situation in which one allele is expressed over a second allele
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| Gene | a portion of DNA molecule that serves as the basic unit of heredity
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| Genotype | the genetic makeup of an individual organism expressed with letters
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| Genetic crossing | the deliberate breeding of two different individuals that results in off spring that carry part of the genetic material of each parent
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| Chromosomes | a threadlike structure of nucleic acids and protein that carries genetic information in the form of genes
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| Mitosis | asexual cell division where on parent cell divides and produces two identical daughter cells
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| Heterozygous | a pair of genes where one allele is dominant and one is recessive
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| Homozygous | a pair of genes where both alleles are dominant or both are recessive
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| Hybrid | an animal or plant resulting from a cross between genetically unlike individuals
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| Independent Assortment | Mendel's law that states that traits are transmitted to offspring independently of one another
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| Phenotype | the physical appearance of an organism as distinguished from its genetic makeup
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| Punnett Square | a type of grid that can indicate all the possible outcomes of a genetic cross
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| Recessive | an allele whose phenotype is masked when paired with a dominant allele
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| Segregation | Mendel's law that states that organisms inherit one allele for each trait from each parent due to allele pairs separating during gamete production
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| Meiosis | a type of cell division that results in four daughter cells each with half the number of chromosomes of the parent cell
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| Purebred | a homozygous trait where BOTH alleles are the same Ex. TT or tt
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| Codominace | when two dominate cells show in an offspring
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| Incomplete Dominance | when there is a blending of traits creating an entirely new trait
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