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| moves in the direction of the unwinding DNA, it is more of a "mark" |
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| two chromosomes-one inherited from moms and the other pops-that have the same length and general appearance |
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| a piece of DNA that provides a set of instructions to a cell to make a certain protein |
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| two different alleles at a specific locus |
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| physical characteristics, or traits |
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| a particular sequence in a genome at which replication is initiated |
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Definition
continuous thread of DNA that consists of numerous genes along with regulatory information
(body has 46 of these) |
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Definition
| any of the alternative forms of a gene that may occur at a specific locus |
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| the allele that is only expressed when two copies are present |
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Definition
organisms inherit two copies of each gene, one from each parent
organisms can only donate one copy of each gene in their games. Thus, the two copies of each gene segregate, or separate, during the gamete formation |
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Definition
| binds the sugars and phosphates making it proper DNA and adds complementary nucleotides |
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Definition
identical chromatids
one half of the duplicated chromosome |
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Definition
(deoxyribonucleic acid)
molecule that stores the genetic information in all organisms |
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| the allele that is expressed when two different alleles or two dominant alleles are present |
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| genes located close together tend to be inherited together |
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| the loose combination of DNA and proteins |
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| two of the same alleles at a specific locus |
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Definition
| genetic makeup of a specific set of genes |
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Definition
| a cross between an organism with an unknown genotype and an organism with the recessive phenotype |
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