Chapter 3 Review Test Answers – Flashcards
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fruits & vegetables collected and stored to create mulch
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compost
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sexual reproduction
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reproduction from the union of two parents that each pass on traits to the offspring
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specialized reproductive cell
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gamete
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male gamete
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sperm
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process in which a male gamete joins a female gamete to produce a new cell that develops into an organism
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fertilization
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stage in the cells cycle during which the nucleus divides
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mitosis
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reproduction in which one parent produces offspring that is identical to the parent
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asexual reproduction
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female gamete
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egg
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phase of the cell cycle in which the cell grows and makes a copy of its chromosomes
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interphase
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stage of the cell cycle in which the nucleus divides
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mitosis
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stage of the cell cycle in which a new cell wall or membrane divides the cell
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cytokinesis
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characteristics of living things
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genetic traits
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structures in nucleus that store DNA
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chromosomes
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different forms of a gene for a trait
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allele
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result of two alleles both being expressed
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codominant
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gentic material of all living things
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DNA
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an organism that has 2 different genes for the same trait
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hybrid
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result when the dominant allele is only partly expressed
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incomplete dominance
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cell division that reduces the number of chromosomes by half
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meiosis
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The "father" genetic study
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Gregor Mendel
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an trait that is always expressed
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dominant trait
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a trait that is only expressed when paired with another allele of the same type
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recessive trait
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a tool used by scientists to predict the the outcome of a genetic cross
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Punnett Square
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any change in a genome or chromosome
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mutation
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process of making identical copies of DNA
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replication
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cell structures where protiens are made
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ribosomes
