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For Monnat grade 7 by Kelly Mills

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
Heredity   the passing of traits from parent to offspring  
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Trait   A characteristic a parent can pass from parent to offspring on genes  
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Purebred   An organism with two identical traits  
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Hybrid   A organism with two identical traits  
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Offspring   the product of the reproductive process of an animal. A child  
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Gene   The set of information that controls a trait; a segment of DNA  
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Alleles   The different form of a gene  
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Dominant   a trait which overshadows recessive traits  
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Recessive   a trait which only shows in a organism if no dominant is present  
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Phenotype   The physical trait  
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Genotype   The letters of a trait  
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Homozygous   an organism with two identical alleles  
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Heterozygous   an organism with two different alleles  
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Codominance   a condition in which neither of the two alleles of a gene is dominant or recessive.  
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Meiosis   The process of making mating cells, by which the chromosomes are reduced by half.  
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Haploid cells   A cell that is the result of meiosis and has half the number of chromosomes as the original cell.  
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Diploid cells   A cell that is the result of mitosis and has the same number of chromosomes as the original cell.  
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Mutations   a change in the gene or chromosome  
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Insertion   The addition of extra DNA or RNA into a section of genetic material.  
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Deletion   the loss or absence of a section from a nucleic acid molecule or chromosome.  
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Substitution   something acting in the place of another  
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Sex   linked gene  
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Carrier   a person who has one recessive allele for a trait, but does not have that phenotype  
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Sex chromosome   A pair of genes which determine whether a person is male or female.  
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Genetic disorder   An abnormal condition that a person inherits through genes or chromosomes.  
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Pedigree   a chart or family tree that tracks which members of a family have a particular trait  
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Selective breeding    
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Inbreeding   a selective breeding method in which two indiviguals with identical or similar sets of alleles are bred  
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Hybridization   A selective breeding method in which two genetically different individual organisms are crossed  
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Clone   an organism who has exactly the same genes as the organism is was produced from.  
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Genetic Engineering   the transfer of a gene for the DNA of one organism into another organism  
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Gene therapy   the insertion of working copies of a gene into the cells of a person with a genetic disorder in hope to fix it.  
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Messenger RNA   Copies the coded message from DNA in the coded message  
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Transfer RNA   carries amino acid to the ribosome and adds them to the growing protein.  
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karyotype   A picture of all the chromosomes in a cell.  
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Probability   predicts the results of a cell  
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Fertilization   When sperm and egg meet  
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Punnett square   a chart that shows all possible combinations of alleles in offspring  
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Genetics   the scientific study of heredity  
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Trait   Each different form or a characteristic  
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Created by: Katey Mille
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