Ch12 - Human Genetics Vocab
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Last updated 5:47 AM on 2/10/23
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29 Terms
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\# of chromosomes in a normal cis human male
46XY
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Example of dominant genetic disorder
Huntington's disease, Achondroplasia Dwarfism
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Example of sex linked traits
Hemophilia and color blindness
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Karyotype ex. of Klinefelters Syndrome
47XXY
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Karyotype ex. of Turners Syndrome
45XO
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Klinefelters Syndrome
Occurs from non disjunction, with extra sex chromosomes
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OO (ioio)
Can only receive O blood
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Turners Syndrome
Occurs from non disjunction, only 45 chromosomes
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Universal blood donor
OO (iOiO)
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Universal blood recipient
AB (IAIB)
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Autosomes
The first 22 pairs of human chromosomes
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Expressed female trait
A filled in black circle
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Female carrier symbol
A half-filled circle
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Female chromosomes
XX
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Female symbol
Circle
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Karyotype
Picture of chromosomes arranged in homologous pairs
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Male carrier symbol
Half filled square
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Male chromosomes
XY
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Male symbol
Square
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Non-disjunction
Homologous chromosomes fail to separate during meiosis
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Pedigree
Chart that shows the relationships and traits within a family over several generations
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Polygenic
Trait controlled by many genes
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Sex chromosomes
The 23rd pair of human chromosomes
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Sex linked
A gene that is found on the sex chromosomes
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\# of chromosomes in a normal cis human female
46XX
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Expressed male trait
A filled in black square
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Can only receive A or O blood
A (IAIA, IAiO)
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Can only receive B or O blood
B (IBIB, IBiO)
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Dominant genetic disorder
A disorder that will show up 50% of the time in each generation
Note 
Flashcards (24)