Multiple Choice
Which of the following characteristics of the fetus distinguishes it from the embryo?
A) Blood cells form and fill primitive blood vessels.
B) The primitive streak appears.
C) Bone replaces the softer cartilage.
D) The specialization of one group of cells causes adjacent groups of cells to specialize.
Correct Answer:

Verified
Correct Answer:
Verified
Q43: Primary spermatocytes develop from the division of<br>A)male
Q44: Spermatocytes and oocytes are<br>A)haploid.<br>B)diploid.<br>C)polyploidy.<br>D)aneuploiD.
Q45: Body parts derived from mesoderm are the<br>A)muscle
Q46: By the end of meiosis I of
Q47: Which structures are part of the same
Q49: The first cell that leads to development
Q50: During meiosis II in sperm development<br>A)primary spermatocytes
Q51: The nuclei from the approaching sperm and
Q52: After meiosis I,the number of chromosomes is
Q53: The reason that starvation during prenatal development