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8 Cards in this Set
- Front
- Back
bichemical units of heredity that make up the segments of DNA (specific words for the components of the blueprint)
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Genes
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22 pairs of chromosomes- not related to sexual expression for the individual-they determine all the other characteristics
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Autosomes
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1 pair of chromosomes-determines whether the persin is a boy or a girl
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Sex chromosomes
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Mother contributes _ chromosome to either sex
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X
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Father contributes _ chromosomes for girls contributes _ chromosomes for boy
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X Y
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Girl =
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XX
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Boy=
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XY
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a chromosomal condition that exclusively affects girls and women. It occures when one of the two X chromosomes normally found in females is missing or incomplete. The most common characteristics of Turner syndrome include short stature and lack of ovarian development.
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Turner syndrome
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