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8 Cards in this Set

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bichemical units of heredity that make up the segments of DNA (specific words for the components of the blueprint)
Genes
22 pairs of chromosomes- not related to sexual expression for the individual-they determine all the other characteristics
Autosomes
1 pair of chromosomes-determines whether the persin is a boy or a girl
Sex chromosomes
Mother contributes _ chromosome to either sex
X
Father contributes _ chromosomes for girls contributes _ chromosomes for boy
X Y
Girl =
XX
Boy=
XY
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.
Turner syndrome