Mendelian Genetics and Modern Genetics
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| trait | physical characteristics of an organism
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| heredity | the passing of traits from parents to offspring
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| genetics | scientific study of heredity
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| purebred (homozygous) | produces offspring with the same form of a trait as the parent
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| gene | factor that controls traits
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| allele | different form of a gene
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| dominant allele | trait that always shows up in the organism
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| recessive allele | covered up when dominant allele is present
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| hybrid (heterozygous) | two different alleles for the trait
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| probability | likelihood that a particular event will occur
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| Punnett Square | a chart that shows all the possible combinations of alleles that can result from a genetic cross
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| phenotype | visible traits
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| geneotype | allele combinations
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| codominance | alleles are neither dominant or recessive
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| multiple alleles | three or more forms of a gene that code for a single trait
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| sex-linked gene | alleles are passed from a parent to a child on a sex chromosome
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| carrier | a person who has one recessive allele for a trait and one dominant allele
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| pedigree | a chart or family tree that tracks family members
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| genetic disorder | an abnormal condition that a person inherits through genes
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| amniocentesis | a procedure doctors use before birth to determine if the baby will have a disorder
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| karyotype | picture of all the chromosomes in a cell
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| selective breeding | the process of selecting a few organisms with desired traits to serve as parents
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| inbreeding | crossing two individuals that have the same alleles
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| genetic engineering | genes from one organism are transferred into the DNA of another organism
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| gene therapy | inserts working copies of a gene directly into the cell of a person with a genetic disorder
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| genome | all DNA in a cell of an organism
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Created by:
dianne12
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