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Biology (Standards (3-1. Develop and use a model to describe that…
Biology
Standards
3-1. Develop and use a model to describe that structural changes to genes (mutations) may or may not result in changes to proteins, and if there are changes to proteins there may be harmful, beneficial, or neutral changes to traits.
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3-2. Construct an argument based on evidence for how asexual reproduction results in offspring with identical genetic information and sexual reproduction results in offspring with genetic variation. Compare and contrast advantages and disadvantages of asexual and sexual reproduction.
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3-3(MA). Communicate through writing and in diagrams that chromosomes contain many distinct genes and that each gene holds the instructions for the production of specific proteins, which in turn affects the traits of an individual.
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3-4(MA). Develop and use a model to show that sexually reproducing organisms have two of each chromosome in their cell nuclei, and hence two variants (alleles) of each gene that can be the same or different from each other, with one random assortment of each chromosome passed down to offspring from both parents.
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Heredity: The passing on of physical or mental characteristics genetically from one generation to another.
Reproduction 3-2
Sexual: the production of new living organisms by combining genetic information from two individuals of different types (sexes). In most higher organisms, one sex (male) produces a small motile gamete which travels to fuse with a larger stationary gamete produced by the other (female).
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Asexual:a type of reproduction by which offspring arise from a single organism, and inherit the genes of that parent only;
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Chromosomes: Rod-shaped structures found in the nucleus of every cell in an organism. (Humans have 23 pairs)
Gene:a unit of heredity which is transferred from a parent to offspring and is held to determine some characteristic of the offspring.
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Genome: the haploid set of chromosomes in a gamete or microorganism, or in each cell of a multicellular organism.
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Homozygous Dominant: Capital letter
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