OAT Practice Test 1

10 free OAT practice questions in the real exam format, covering the official content areas, with an explanation for every answer.

OAT Practice Test 1Tutor mode

Question 1 of 10

Biology

During spermatogenesis in a diploid male, the sister chromatids of one chromosome fail to separate in ONE of the two secondary spermatocytes; all other divisions are normal. What fraction of the four resulting sperm cells will be aneuploid?