Which of the following statements is true of Down's syndrome?
A) Down's syndrome is usually caused by a defect in the sex chromosomes of an individual.
B) The symptoms of Down's syndrome are similar to those of sickle-cell anemia.
C) Down's syndrome is caused by a sexually transmitted infection (STI) during conception.
D) The probability of having a child with Down's syndrome increases with the age of the parents.
Correct Answer:
Verified
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Q37: The field of biology that studies heredity
Q38: After meiosis, each new cell nucleus contains
Q39: According to a study in the year
Q40: According to a study in the year
Q42: Down's syndrome is caused by:
A) alcohol abuse
Q43: According to a study in 2013 by
Q44: If an individual gets a recessive gene
Q45: Sickle-cell anemia is caused by:
A) a chromosomal
Q46: Rico is a man who has enlarged
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