genetics exam 4
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| show | syntenic genes
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| The physical linkage of genes on the same chromosomes | show 🗑
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| show | linkage group
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| Human linkage groups | show 🗑
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| show | genetic recombination during crossing over
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| show | recombinant phenotypes
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| Cells without crossing over | show 🗑
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| Cells with crossing over | show 🗑
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| The likelihood of crossing over depends on what between two genes | show 🗑
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| Morgan realized that linkage of autosomal genes in Drosophila could be interpreted using | show 🗑
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| show | the linear order and distance
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| Genetic maps can be made by | show 🗑
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| show | a linkage map
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| Genetic mapping is usually done by doing | show 🗑
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| recombination frequency = | show 🗑
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| show | a three-point test-cross analysis
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| Separates the gene in the middle from the other two genes at either end | show 🗑
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| What does it mean when we say genes are syntenic | show 🗑
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| Which of the following statements is true A. Genes that are closer together are less likely to experience crossing over B. Genes that are further apart are less likely to experience crossing over C. Recombination frequency overestimates the distance | show 🗑
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| show | a high number of purple/long and red/round then purple/round and red/long
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| What is the basis behind the production of recombinant cells | show 🗑
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| show | 24
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| What is the purpose of doing genetic mapping | show 🗑
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| Why is the maximum recombination frequency 50% | show 🗑
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| Why do recombination frequencies tend to underestimate true physical distance | show 🗑
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| How do you set up a testcross | show 🗑
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| The order of three genes one a chromosome is A-B-C. Genes A and B are 10 cM apart and genes B and C are 20 cM apart. From a ABC/abc individual, what is the likelihood of getting a Abc gamete | show 🗑
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| Differences in alleles and chromosomes, either among members of the same species or among different species | show 🗑
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| variations in specific genes, can also occur in chromosome structure and number | show 🗑
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| show | cytogeneticists
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| show | metacentric
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| show | submetacentric
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| show | acrocentric
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| show | Telocentric
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| show | karyotype
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| show | G bands
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| show | deletion
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| show | duplication
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| show | inversion
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| Two non-homologous chromosomes swap segments | show 🗑
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| show | nonallelic homologous recombination
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| Type of structural variation in which a DNA segment 1000 bp or larger has copy number differences in members of the same species | show 🗑
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| A gene normally found in two copies in a diploid cell may be found in three or more copies | show 🗑
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| Duplications can provide additional genes leading to | show 🗑
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| Two or more genes derived from a common ancestral gene are | show 🗑
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| Homologous genes within a single species are called | show 🗑
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| show | chromosomal inversion
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| The centromere is within inverted region | show 🗑
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| show | paracentric inversion
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| show | breakpoints
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| Gene is repositioned in a way that alters expression | show 🗑
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| show | an inversion loop
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| Crossover within inversion loop can lead to | show 🗑
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| show | dicentric chromosomes
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| Chromosome with no centromere | show 🗑
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| show | simple translocation
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| Two nonhomologous chromosomes exchange pieces | show 🗑
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| Ends of eukaryotic chromosomes that prevent translocations from occuring | show 🗑
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| Lead to rearrangement of the genetic material, not a change in the amount | show 🗑
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| Carriers of a balanced translocations are at risk of having offspring with significant portion of genetic material duplicated or missing | show 🗑
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| show | balanced
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| show | unbalanced
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| Adjacent-2 segregation | show 🗑
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| What causes the most effects on phenotypes | show 🗑
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| show | Aneuploidy
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| Variation in the number of complete sets of chromosomes (triploidy 3n, tetraploidy 4n) | show 🗑
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| show | polyploid
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| show | Endopolyploidy
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| show | sterile
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| Failure of chromosomes to segregate properly during anaphase | show 🗑
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| Nondisjunction in meiosis I | show 🗑
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| Nondisjunction in meiosis II | show 🗑
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| All the chromosomes can undergo nondisjunction and migrate to one daughter cell | show 🗑
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| The diploid cell can participate in fertilization with a normal gamete, yielding a triploid individual | show 🗑
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| show | chromosome loss
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| Results from interspecies crosses usually by two closely related species | show 🗑
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| show | mosaicism
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| show | trisomy
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