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Biol 189 Final Exam with correct answers
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Biol 189 Final Exam with correct answers
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Biol 189 Final Exam with correctanswers
ATP - ANSWERS✔✔is the energy currency of cells
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genetics - ANSWERS✔✔The study of physical inheritance among living things is
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A, T, G, or C - ANSWERS✔✔The information used to make proteins is encoded by the four bases
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The result of an error in anaphase that failed to separate a pair of sister chromatids would
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result in - ANSWERS✔✔One cell would have an extra chromosome, and one cell would lack a
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chromosome
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are aligned at the equator of a cell during metaphase - ANSWERS✔✔Chromosomes
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during prophase - ANSWERS✔✔The chromosomes become visible and the nucleus starts to
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break up
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during anaphase - ANSWERS✔✔Sister chromatids are separating from each other
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How do daughter cells at the end of mitosis and cytokinesis compare with the parent cell
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before DNA replication occurs? - ANSWERS✔✔The daughter cells have the same number of
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chromosomes and the same amount of DNA
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an organism that would reproduce by binary fission - ANSWERS✔✔Bacteria
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zygote - ANSWERS✔✔The fertilization of an egg by a sperm produces a cell called
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, The products of meiosis - ANSWERS✔✔four haploid cells
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What is the result of recombination (crossing over) during meiosis? - ANSWERS✔✔It creates
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chromosomes that are a new combination of paternal and maternal material
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What is the result of independent assortment during meiosis? - ANSWERS✔✔Genetically
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diverse gametes are produced
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An autosome - ANSWERS✔✔is one of the non-sex chromosomes
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A human egg - ANSWERS✔✔contains 22 autosomes and one X chromosome
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phenotype - ANSWERS✔✔is the term for an observable trait of an organism v v v v v v v v v v v
Mendel crossed true - ANSWERS✔✔breeding pea plants and found?- the dominant trait
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always appeared in the F1 generation, but it appeared in a 3:1 ratio of dominant to recessive in
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the F2 generation
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The Law of Segregation - ANSWERS✔✔states that differing characters in organisms result
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from two alleles that separate in gamete formation, such that each gamete gets only one of the
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two alleles
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homozygous - ANSWERS✔✔When two identical alleles for a character are present, the v v v v v v v v v v v
genotype is referred to as
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Let S = smooth pea and s = wrinkled pea Y = yellow pea and y = green pea. What are the
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different possible genotypes of the gametes produced by a plant that is heterozygous for both
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characters? - ANSWERS✔✔SY, Sy, sY, sy
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