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28 Cards in this Set
- Front
- Back
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Small sections of DNA that are found in chromosomes are called
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GENES
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What is the chemical code that tellls cell what to do?
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DNA
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What do you call the passing of traits from parent to offspring?
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HEREDITY
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DNA is shaped like what?
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a twisted spiral ladder
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How many bases is DNA made up of?
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4
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When both dominant and recessive geners are BOTH EXPRESSED, it is called.
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CODOMINANT
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Genetic engineering can be both____ and _____.
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HELPFUL AND HARMFUL
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Traits passed from father to son are called _______.
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INHERITED
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Will recessive genes be always expressed?
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NO
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Plants that show the same trait for many years are called?
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purebreed
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Your traits are determined by what?
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Genes and other factors
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When you cross purebred plants with different forms of the same trait, they are called
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HYBRIDS
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What does the double helix describe the shape of?
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DNA
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Gregor Mendel was the Father of ______ ?
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Genetics
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When a person has red blood cells that are hard and curved, they have a genetic disease called what?
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SICKLE CELL ANEMIA
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The genetic disease that is sometimes caused by an extra chromosome is ?
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DOWN SYNDROME
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CYSTIC FIBROSIS is a genetic disease that affects what?
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the lungs and digestive system
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______ is the study of how traits are inherited.
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GENETICS
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What do you call a chart that shows the possible genetic outcomes for the offspsring of two parents.
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PUNNETT SQUARE
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What uses lines and symbols to trace a trait?
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PEDIGREE
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______ is the physical appearance of an organism.
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PHENOTYPE
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_____ is the arrangement of genes within an organism.
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GENOTYPE
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When some genes blend together, we call it what?
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INCOMPLETE DOMINANCE
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Name two ways we can use DNA?
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Identify twins
identify soldiers help solve crimes |
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Know how to do a Punnett Square
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see your book
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_____ _____ discovered that traits are passed from generation to generation.
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GREGOR MENDEL
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Who were the two men that discovered the shape of the DNA molecule?
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James Watson
Francis Crick |
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Which geneticist used squares to determine genetic outcomes?
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Reginal Punnett
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