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| a single chromosome set that is repeated in polyploids |
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| the chromosome complement of the gametes of a species |
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| loss of both members of a homologous pair of chromosomes (2n-2) where n refers to the haploid number. |
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| in humans, a nullisomic zygote would have how many chromosomes? |
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| the loss of a single chromosome (2n-1) |
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| the gain of a single chromosome (2n+1) this means there are three homologous copies on one chromosome |
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| the gain of two homologous chromosomes (2n+2) this does not mean gain of any two extra chromosomes, but rather the gain of two homologous chromosomes |
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| in monosomy, individuals have at least |
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Definition
| a single copy of every gene present in the remaining homolog |
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| in monosomy, although individuals have at least a single copy of every gene, if one of those genes is represented by a lethal allele, |
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| the unpaired chromosome condition will result in death |
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| lethality could also result from |
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| a single copy recessive gene is unable to provide adequate function for sustaining the organism |
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