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| deoxyribonucleic acid; the chemicals that code for traits; it has a double helix shape |
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| the scientific study of heredity |
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| the “Father of Genetics” who studied pea plant traits and their inheritance patterns. |
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| the form of the gene that can be hidden (not expressed) when a dominate gene is present; a lower case letter is used to represent the trait |
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| a segment of DNA that controls a trait (a reference to the trait) |
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| a diagram used to predict the outcome of a genetic cross |
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| the form of the gene that is expressed (shown) in an organism; a capital letter is used to represent the trait |
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| the combination of two alleles of the gene for a trait (the letters for the genes) |
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| the physical appearance or characteristics as a result of its combination of genes (what it looks like) |
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| an individual organism that has two alleles that are the same for a trait; also called a pure bred; use two letters of the same size |
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| an individual organism that has two different alleles for a trait; also called a hybrid; use two letters of different sizes |
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| The study of __________ helps to determine the possibilities of traits for offspring from parents. |
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| _________________________recorded that the results of a cross between two hybrid pea plants would result in a 3:1 ratio of the dominant to recessive traits. |
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| __________ has a twisted ladder shape we call a double helix. |
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| A ___________________ helps us predict the resulting genotypes of a cross. |
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| A segment of DNA, the ______________ is the part which controls the traits in organisms. |
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| dominant allele--sentence |
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| Tall stem height in pea plants is a ____________________ for the height trait. |
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| recessive allele--sentence |
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| A _________________________ is represented by a lower case letter. |
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| Two lowercase letters like (tt) is the _______________ for the short stem trait in pea plants. |
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| A tabby coat color for cats is just one _________________ for coat color and is represented as a bb genotype. |
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| When both the dominant and recessive traits are present, for example Rr, then the genotype is _____________________ for the trait. |
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| When the dominant fur color for rabbits is black and the genotype is BB, the animal is _________________________ for black fur color. |
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