If the mother is exposed to teratogens during pregnancy, what can happen to the fetus
A) These substances are immediately toxic to a fetus.
B) These substances can cross the placental barrier to cause damage to the fetus.
C) These substances dramatically reduce the blood supply that flows through the placenta and thus injure the fetus.
D) These substances interfere with the development of the extraembryonic membranes that support the fetus.
E) None of the answers are correct.
Correct Answer:
Verified
Q3: Fusion of the pronuclei forming the zygote
Q4: If a woman gives birth to identical
Q5: The period of time after birth is
Q6: During implantation, the developing blastocyst receives nutrients
Q6: Sperm cannot perform fertilization until they _.
A)
Q7: A hollow ball of cells is (the)
A)blastocyst.
B)gastrula.
C)morula.
D)embryo.
E)None
Q9: Once cleavage starts, the zygote starts dividing,
Q10: Among the important and complex events that
Q11: The flagellum is used to
A)move the sperm
Q26: In the early blastocyst, the placenta will
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents