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بايو بايت - BioByte

بايو بايت - BioByte

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11. Spermatogonia are:
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10. Total duration of spermatogenesis is approximately:
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9. Spermatogenesis begins at:
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8. Sertoli cells are directly involved in:
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7. Leydig cells are stimulated by:
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6. Which cell produces testosterone?
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5. Meiosis reduces chromosome number from:
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4. Spermatogenesis occurs in the:
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3. Oogenesis occurs in the:
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2. Gametes are produced by:
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1. Sexual reproduction is defined as:
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The reproductive system:

- انتهينا لهذا اليوم. فتح الله عليكم، وزادكم علماً.

40. The inner cell mass develops into:
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39. Cleavage is characterized by:
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38. A diploid zygote has:
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37. Prevention of polyspermy is due to:
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36. Sperm remain viable for about:
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35. The ovum survives after ovulation for about:
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34. Fertilization usually occurs in the:
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