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24 Cards in this Set
- Front
- Back
Identify the chromosome aberration that increases the genetic material on a particular |
Insertion/duplication |
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Identify the chromosome aberration that decreases the genetic material on a particular |
deletion AKA deficiency |
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Identify the chromosome aberration that changes the position of genetic material |
inversion |
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Identify the chromosome aberration that shifts genetic material from one chromosome |
translocation |
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In diploids, a single recessive allele can end up being expressed in diploids via two |
pseudodominance, genomic imprinting, X-linkage |
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Identify the chromosome aberration that causes genes to move from one linkage |
translocation |
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The phenomenon whereby changing the position of a gene within the genome affects |
position effect variegation. PEV |
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The type of chromatin that can prevent gene expression |
heterochromatin (AKA closed) |
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When a recessive allele is expressed in the phenotype because a deletion removed the second copy of the gene. |
pseudodominance |
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Inversion that involves the centromere is called... |
pericentric |
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inversion that does not involve the centromere is called... |
paracentric |
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Indicate the two rearrangements where there is no change in the total amount of genetic material |
inversion and translocation |
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Inversions are often called... |
crossing over suppressor |
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A chromosome with two centromeres |
dicentric |
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A chromosome with no centromere |
acentric |
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A translocation leading to the fusion of two chromosomes |
Robertsonian |
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If a translocation breakpoint is close to or within genes, a new ______ can be created. |
hybrid gene |
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Somatic translocations have often been associated with specific types of ______ in humans. |
cancer |
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Inversions and translocations can participate in the ______ process during evolution. |
speciation |
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Individual with balanced translocations are usually viable but very often are identified because the are ______. |
sterile |
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A karyotype with 2n-1 is called |
monosomy |
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A karyotype with 2n+1 is called |
trisomy |
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A deviation from normal diploidy is called |
aneuploidy |
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Monosomy and trisomy are the result of _____ during either meiosis I or II. |
non-disjunction. |