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Vocabulary

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Question
Answer
Autosome   A chromosome that is not directly involved in determining sex, as opposed to a sex chromosome.  
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Chromosome   Any of the usually linear bodies in the cell nucleus that contain the genetic material.  
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Contagious   Capable of being transmitted from person to person, animal to animal, animal to human, or human to animal by contact.  
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Dominant trait   A genetic trait is considered dominant if it is expressed in a person who has only one copy of the gene associated with the trait.  
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Gene   A discrete unit of hereditary information.  
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Genetic Material   Molecules responsible for heredity and variation of organisms.  
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Heredity   The transmission of traits from ancestor to descendant.  
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Karyotype   A display of the chromosome pairs of a cell arranged by size and shape.  
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Mutation   A rare change in the genetic material, ultimately creating genetic diversity.  
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Pedigree   A diagram of a family tree showing the occurrence of heritable characters in parents and offspring over multiple generations.  
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Sex Chromosome   One of the pair of chromosomes responsible for determining the sex of an individual.  
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Recessive trait   A condition that appears only in individuals who have received two copies of a mutant gene, one copy from each parent.  
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