During fertilization, the nuclei of the sperm and the ovum are referred to as ________, before they come together and fuse to form a single nucleus.
Correct Answer:
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Q14: At the 16-cell stage, the conceptus is
Q15: The trophoblast is located at the
A) periphery
Q16: The maturation that occurs within the pre-embryonic
Q17: Polyspermy results in the production of monozygotic
Q18: The pre-embryonic period ends when
A) a morula
Q20: Fertilization typically occurs in the _, and
Q21: Within the bilaminar germinal disc, the layer
Q22: Which structure is an important site for
Q23: Approximately when in development does the bilaminar
Q24: At the start of gastrulation, a long,
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