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Intro to Genetics

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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Question
Answer
Variation   differences within a species  
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Genes   have the information you inherit and are found on the chromosomes  
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Homozygous   pure or the same genes for a trait(BB or bb)  
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Heterozygous   hybrid – different genes for a trait. Example: Bb  
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Trait   characteristics (things you can look at on an individual)  
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Genotype   all the genes of an individual  
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Phenotype   how an individual looks  
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Punnett Square   used to predict results of a genetic cross  
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Dominant gene   shows its trait  
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Recessive gene   only shows its trait if no dominant gene is present  
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