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5th Grade Science

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
Allele   A form of a gene or a trait. A trait may have more than two alleles. For example eye color: blue  
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chromosome   The direction/instructions for an organism's traits. Long strand of DNA. Most animals have 2 sets of chromosomes. Humans have 1 set of 23 chromosomes from mother and 1 set of 23 chromosomes from father.  
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DNA   The substance that makes up chromosomes. Deoxyribonucleic Acid.  
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Dominant   A gene  
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gene   A material that offspring inherit. A section of DNA on a chromosome.  
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Inherited Traits   A characteristic passed from parents to offspring through genes. (Characteristic-body Structure  
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offspring   The young organism that results from sexual or asexual reproduction.  
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Organism   A living thing.  
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Percentage   A ratio that states the number of times an outcome is likely to occur out of a possible 100 times.  
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Probability   The likelihood or chance that a specific outcome will occur out of a total number of outcomes.  
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Punnett Square   A diagram used to predict the possible genotypes of offspring from two parents.  
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Ratio   A comparison between two quantities  
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Recessive   A gene  
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Variation   A difference that happens within offspring.  
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