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Genetics Notes Foldable Reproduction and Genetics
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Heredity The process in which characteristic s pass from parents to offspring.
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Genetics The scientific study of heredity.
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Traits An organism’s physical appearance Such as type of nose or long eyelashes
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DNA Deoxyribonucleic Acid Chromosomes are made partly of long-chain molecules call DNA
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Gene A segment of a DNA molecule that contains information that governs a specific trait.
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Sexual Reproduction Involves two parents who combine genetic material Each parent provides part of the genes
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Asexual Reproduction Offspring are produced by a single parent An example is a one-celled organism, such as bacterium, dividing into two.
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Alleles One part of a gene pair Example: free or attached ear lobes http://faculty.mdc.edu/mmontane/images /human-traits.jpg http://faculty.mdc.edu/mmontane/images /human-traits.jpg
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Dominant and Recessive Alleles Dominant: Always shows up in an organism Cleft chin Curly hair Dark hair Purple pea flowers Recessive : Hidden when dominant is present Straight hair Red hair Attached ear lobes White pea flowers
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