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NCAT - Practice Test - Biology - Inheritance - Quiz 4

Practice 10 high yield MCQs on Biology from Chapter Inheritance for Practice Test. After submission, get instant results with correct answers and detailed explanations. This is Quiz 4 of the series.

31. What is epistasis?



32. What is pleiotropy?



33. Why are X‑linked traits more common in males?



34. What is a carrier?



35. Carriers of X‑linked traits are usually which sex?



36. What causes genetic disorders?



37. What is Down syndrome caused by?



38. What is Klinefelter syndrome?



39. What is Turner syndrome?



40. What is genetic counseling?



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Instructions: Select one answer per question. After submitting, you will see your score, correct answers, and explanations.

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