In the context of infertility in women being caused by blockage of the fallopian tubes, there is a 50 percent likelihood that the tubes are blocked by scar tissue from sexually transmitted infections.
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Q1: An ovum duplicates itself repeatedly by cell
Q2: If fertilization does not occur, the ovum
Q4: Intracytoplasmic sperm injection involves injecting a single
Q5: At the moment of conception, the single-celled
Q6: Once hormones signal the SRY gene on
Q7: At 6 to 8 weeks after conception,
Q8: Permanent alterations in genes or chromosomes that
Q9: Defects transmitted by recessive genes tend to
Q10: Incomplete dominance is a pattern of inheritance
Q11: Chromosomal abnormalities typically occur because of errors
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