Karyotyping of chromosomes may be done immediately from cells obtained by amniocentesis.
Cells need to be cultured to get enough for karyotyping,so it may take up to four weeks before the karyotype can be done.
Correct Answer:
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Q4: A human female body cell contains
A)46 chromosomes.
B)44
Q5: List the steps involved in the construction
Q6: Nondisjunction can only occur with autosomes,not the
Q7: When does nondisjunction occur?
A)anaphase of mitosis
B)telophase of
Q9: Most nondisjunction embryos fail to survive.
Q9: Blood tests done with pregnant women routinely
Q10: Down syndrome is due to an extra
A)X
Q15: Monosomy could result from
A)an ovum of 24
Q18: Which condition occurs as a result of
Q20: A display of an individual's chromosomes arranged
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