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14 Cards in this Set
- Front
- Back
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A protein disk that attaches two chromatids to each other in a chromosome is called
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centromere
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What are the chromosomes in your body?
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23 pairs, two sex chromosomes and 44 autosomesa
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A student can study a karyotype to learn about the
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number of chromosomes in a body cell
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The diploid number of chromosomes in a human skin cell is 46. How many chromosomes are in a human egg cell?
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23
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Which stage of the cell cycle occupies most of the cell’s life?
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interphase
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What is the correct sequence of the cell cycle?
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IPMAT
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The phase of mitosis that is characterized by the arrangement of all chromosomes along the equator of the cell is called
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metaphase
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The “father” of genetics was
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Gregor Mendel
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Mendel obtained his P generation by allowing the plants to
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self-pollinate
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The first filial (F1) generation is the result of
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crosses between individuals on the parental generation
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Mendel’s finding that the inheritance of one trait had no effect on the inheritance of another became known as the
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law of independent assortment
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To describe how traits can disappear and reappear in a certain pattern from generation to generation, Mendel proposed
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law of segregation
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What is the phenotype of an organism?
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Reflects all the traits that are actually expressed.
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If an individual has two recessive alleles for the same trait, the individual is said to be
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homozygous for the trait
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