The fetus begins to develop male sex organs if:
the SRY gene on the Y chromosome commands the sex organ to develop.
the SRY gene from the Y chromosome envelopes the X signal.
the X chromosome commands the sex organ to develop.
no biochemical signal from the SRY gene is received.
the SRY gene on the Y chromosome commands the sex organ to develop.
You might also like to view...
What is the name for the new field of study that focuses on the relationship among the brain, immune system, and psychological factors with regard to stress-related events?
a) psychosocial medicine b) interpersonal relationship development c) neuropsychology d) psychoneuroimmunology
Your best friend asks you what the purpose of "Questioning" is in the SQ3R. What is the best answer to your friend's question?
a) By developing a question, you are searching for an answer while reading. b) By developing a question after reading the chapter, you are actively learning the material by "becoming the teacher." c) By developing a question, you are trying to think of content the author has not considered. d) By developing a question, you prepare yourself for possible questions on the test.