Down syndrome can be caused by either trisomy 21 or a Robertsonian translocation.
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Q7: Leukemia is often associated with chromosomal translocations.
Q8: Chromosomes are usually studied and photographed while
Q9: Studies of sex chromosome aneuploidy reveal that
Q10: The letters G,Q,R,and C,used to describe the
Q11: Spindle fibers attach to the _ of
Q13: When constructing a karyotype,the chromosome images are
Q14: The risk for Down syndrome increases _.
A)
Q15: Turner syndrome is not associated with intellectual
Q16: If nondisjunction occurs during meiosis I,_.
A) two
Q17: Viral infections are not considered a risk
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