In humans, which of the following changes have occurred by four weeks after fertilization?I.The lymph glands have developedII.The sex can be determined.III.The neural tube has begun to form.

🎲 Try a Random Question  |  Total Questions in Quiz: 50  |  🧠 Study this quiz with Flashcards
This question is part of a full practice quiz:
CLEP Natural Sciences Exam Practice Test — practice the complete quiz, review flashcards, or try a random question.

The CLEP Natural Sciences Exam contains 120 multiple-choice questions and has a 90-minute time limit. 


In humans, which of the following changes have occurred by four weeks after fertilization?<br>I.The lymph glands have developed<br>II.The sex can be determined.<br>III.The neural tube has begun to form.