Ex. 61 Pre-Lab
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A single completed oogenesis sequence produces four functional ova (eggs).
False
A single completed spermatogenesis sequence produces four functional sperm.
True
The zona pellucida gel layer surrounds the secondary oocyte and early development stages through the morula.
True
Which of the following is not an extraembryonic membrane?
Umbilical cord
The __________ is the development stage that implants in the endometrium.
blastocyst
The placenta is comprised of
combinations of the decidua basalis and chorionic villi.
The embryonic stage of human development exists
through the first eight weeks of development.
The ovum and sperm unite and form a diploid cell called the
zygote.
