A karyotype from a person with Down syndrome would show
A) three copies of chromosome 20.
B) nondisjunction of the sex chromosomes.
C) three copies of chromosome 21.
D) three copies of chromosome 22.
E) one copy of chromosome 21.
Correct Answer:
Verified
Q114: Skin color is controlled by six separate
Q115: In addition to a genetic component,some human
Q116: Nondisjunction that occurs only in meiosis II
Q117: Imagine that twins are separated at birth.One
Q118: Nondisjunction or failure of chromosomes to separate
Q119: A karyotype is
A) a diagram depicting the
Q121: Amniocentesis is
A) the removal of fluid from
Q122: The fluid around a fetus can be
Q123: A karyotype
A) will always show 46 chromosomes.
B)
Q124: Why is amniocentesis usually performed?
A) to detect
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