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Chromosomes
Chromosomal Inheritance
* Male has 23 * Males have an X & Y chromosome *Female has 23 *Female have two X chromosomes *chromosomes 1-44 are called autosomes, literally meaning ''self '' Chromosomes *chrosomes 45 and 46 are sex chromosomes *sex chromosomes determine the gender of the individual
karyotyping
definition- An arrangement of individual's chromosomes into numbered pairs according to their size,shape,and banding pattern
any cell can be used for karyotyping,except for red blood cells.
Karyotyping can be used during a woman's pregnency.
Syndromes from Abnormal number of Chromosomes
Down- Male of Female. 47 chromosomes. 1/800 live births Poly-x- Females only. 47 or 48 chromosomes. 1/1,500 live births Klinefelter- Males only. 47 or 48 chromosomes. 1/800 live births
