Under what circumstances might a couple consult with a genetic counselor?
A) If the woman will be over 35 years of age at the time of birth
B) Couples who are first cousins or other blood relatives
C) Couples who come from ethnic groups in which certain types of genetic defects are more common
D) Couples who have already had a child with a genetic disorder
E) All of these are possible reasons to consult with a genetic counselor.
Correct Answer:
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Q7: A human cell that is polyploid might
Q8: All of the following trisomies can still
Q9: What is considered the main risk factor
Q10: Sperm and oocytes are
A) triploid.
B) aneuploid.
C) haploid.
D)
Q11: Which of the following chromosomes is the
Q13: The end result of meiosis is
A) four
Q14: Individuals with Jacobs syndrome are
A) 47, XYY.
B)
Q15: Nondisjunction refers to
A) the failure of cells
Q16: This test requires growing the isolated cells
Q17: What kinds of chromosomal defects invariably result
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