BIOL 2402 EX 12 SET 4 QUESTIONS WITH CORRECT ANSWERS LATEST UPDATE 2026
The stage at which the developing embryo enters the uterus - Answers blastocyst
When the blastocyst hatches the _____________ comes off. - Answers zona pellucida
About how long does it take for the blastocyst to implant? - Answers 7 days
The __________ period begins when all organ systems have been established at about 9 weeks. -
Answers fetal
What is the event that accomplishes pregnancy? - Answers implantation
The halo of cells that enclose the ovulated ooctye is the _______________. - Answers corona radiata
The event that occurs when the sperm penetrates the oocyte is - Answers fertilization
The male and female ___________ fuse to form the zygote. - Answers pronuclei
___________ is cell division without growth and results in the fomration of smaller and smaller cells
called _____________. - Answers cleavage
blastomeres
The hollow _____________ enters the uterine cavity and sheds the zona pellucida in a process called
"hatching" - Answers blastocyst
Before birth the body is covered with a cheesy coating of sloughted epidermal cells called the -
Answers vernix caseosa
Babies are also coverd with with a fuzzy coat of hair called - Answers lanugo
The gestation period in humans is ____________days from ovulation. - Answers 266
The gestation period in humans is ____________days from the beginning of the last menstrual cycle. -
Answers 280
Human gestation typically lasts for _____ weeks when counted from ovulation/fertilization - Answers
38
Human gestation typically lasts for ___ weeks when counted from last menstrual cycle - Answers 40
The stage at which the developing embryo enters the uterus - Answers blastocyst
When the blastocyst hatches the _____________ comes off. - Answers zona pellucida
About how long does it take for the blastocyst to implant? - Answers 7 days
The __________ period begins when all organ systems have been established at about 9 weeks. -
Answers fetal
What is the event that accomplishes pregnancy? - Answers implantation
The halo of cells that enclose the ovulated ooctye is the _______________. - Answers corona radiata
The event that occurs when the sperm penetrates the oocyte is - Answers fertilization
The male and female ___________ fuse to form the zygote. - Answers pronuclei
___________ is cell division without growth and results in the fomration of smaller and smaller cells
called _____________. - Answers cleavage
blastomeres
The hollow _____________ enters the uterine cavity and sheds the zona pellucida in a process called
"hatching" - Answers blastocyst
Before birth the body is covered with a cheesy coating of sloughted epidermal cells called the -
Answers vernix caseosa
Babies are also coverd with with a fuzzy coat of hair called - Answers lanugo
The gestation period in humans is ____________days from ovulation. - Answers 266
The gestation period in humans is ____________days from the beginning of the last menstrual cycle. -
Answers 280
Human gestation typically lasts for _____ weeks when counted from ovulation/fertilization - Answers
38
Human gestation typically lasts for ___ weeks when counted from last menstrual cycle - Answers 40
