Term
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Definition
| Condition with one or more chromosomes too many or too few. |
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Term
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Definition
| Individual or cell having more than TWO SETS of chromosomes (eg. 3n,4n) |
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Term
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Definition
| Dominant genetic disease (chrom. #4); late onset with loss of motor/mental |
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Term
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Definition
| Male with extra X chromosome (XXY); 2n + 1 = 47 chromosomes |
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Term
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Definition
| Trisomic 23 with XYY genotype (47 chromosomes; "aggressive") |
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Term
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Definition
| X-linked trait; inability to distinguish certain colors |
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Term
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Definition
| All chromosomes other than the sex pair (22 pairs = 44 chromosomes) |
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Term
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Definition
| Algebraic expression for TRISOMIC condition (47 chromosomes) |
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Term
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Definition
| Algebraic expression for MONOSOMIC condition (45 chromosomes) |
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Term
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Definition
| Heteromorphic chromosome pair; determines SEX |
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Term
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Definition
| Mating of genetic RELATED individuals (consanguineous marriage) |
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Term
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Definition
| Family tree; traces a trait through many generations |
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Term
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Definition
| Heterozygous individual w/ one copy of a recessive allele (eg. Aa) |
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Term
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Definition
| Control of a single PHENOTYPE by many genes (eg. Skin, height) |
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Term
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Definition
| More than two alleles at a locus control a trait (eg. ABO blood type) |
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Term
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Definition
| Trisomy 21; causes severe mental retardation |
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Term
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Definition
| Trisomic 23 with XXX genotype (once called "super" female) |
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Term
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Definition
| Monosomic 23 (2n-1); sterile female missing an X chromosome |
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Term
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Definition
| Loss of a segment of gene or chromosome (eg. 5p = Cri-du-Chat) |
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Term
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Definition
| Recessive disease (African Americans') RBC's change to curved shape |
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Term
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Definition
| A nucleotide sequence is REPEATED (doubling the gene) |
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Term
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Definition
| Mutation; part of chrom. relocates to another non-homologous chrom. |
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Term
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Definition
| Most common Caucasian genetic disease (1/25 w/ rec. allele); thick mucus |
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Term
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Definition
| CANCER causing gene; formed from specific MUTATIONS |
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Term
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Definition
| Jumping genes move from one chromosome to another (disrupt functions) |
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Term
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Definition
| Dominant genetic condition causing EXTRA FINGERS or toes |
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Term
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Definition
| Mutation; replacement of chromosome section in REVERSE |
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Term
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Definition
| Fat deposits buildup in neurons of brain (Jewish pop.); death <3-5 yrs |
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Term
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Definition
| X-linked recessive disease; inability of blood to clot (boys) |
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Term
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Definition
| Form of progressive SENILE DEMENTIA (21st chromosome); late onset) |
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Term
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Definition
| Failure of a homologous chromosome pair to separate at Meiosis I or II |
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Term
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Definition
| Absence of normal pigmentation (melanine) in skin, hair, eyes |
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Term
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Definition
| Inability to metabolize PHENYLALANINE (-> mental retardation) |
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