BIOL 2402 - CH 29 (LATEST UPDATE) REAL QUESTIONS AND
VERIFIED ANSWERS |100% CORRECT | ALREADY GRADED
A
The prenatal period begins with ______. Ans✓✓✓fertilization
The process which transforms a zygote into a morula is called ______.
Ans✓✓✓cleavage
Fertilization usually occurs in ______. Ans✓✓✓a uterine tube
Cleavage produces ______ cells. Ans✓✓✓smaller
When does implantation normally occur? Ans✓✓✓1 week after
fertilization
How long is a typical prenatal period in humans? Ans✓✓✓38 weeks
When does the bilaminar germinal disc develop? Ans✓✓✓during the
second week of development
Place the structures in the correct order from earliest to form to latest to
form in development. Ans✓✓✓1. zygote
2. morula
3. blastocyst
, How long are sperm viable in the female reproductive tract? Ans✓✓✓3
to 4 days
True or false: Some antibodies can cross the placenta to the developing
embryo or fetus. Ans✓✓✓True
Cleavage occurs ______. Ans✓✓✓before implantation
A notochord appears during the ______ week of embryonic
development. Ans✓✓✓3rd
The zona pellucida around the blastocyst ______ to prepare for
implantation. Ans✓✓✓breaks down
The two layers of a bilaminar germinal disc are ______. Ans✓✓✓the
hypoblast and epiblast
The exchange of nutrients, respiratory gases, and waste products
between the maternal and fetal blood is the function of the ______.
Ans✓✓✓placenta
Gastrulation occurs ______. Ans✓✓✓immediately after implantation
VERIFIED ANSWERS |100% CORRECT | ALREADY GRADED
A
The prenatal period begins with ______. Ans✓✓✓fertilization
The process which transforms a zygote into a morula is called ______.
Ans✓✓✓cleavage
Fertilization usually occurs in ______. Ans✓✓✓a uterine tube
Cleavage produces ______ cells. Ans✓✓✓smaller
When does implantation normally occur? Ans✓✓✓1 week after
fertilization
How long is a typical prenatal period in humans? Ans✓✓✓38 weeks
When does the bilaminar germinal disc develop? Ans✓✓✓during the
second week of development
Place the structures in the correct order from earliest to form to latest to
form in development. Ans✓✓✓1. zygote
2. morula
3. blastocyst
, How long are sperm viable in the female reproductive tract? Ans✓✓✓3
to 4 days
True or false: Some antibodies can cross the placenta to the developing
embryo or fetus. Ans✓✓✓True
Cleavage occurs ______. Ans✓✓✓before implantation
A notochord appears during the ______ week of embryonic
development. Ans✓✓✓3rd
The zona pellucida around the blastocyst ______ to prepare for
implantation. Ans✓✓✓breaks down
The two layers of a bilaminar germinal disc are ______. Ans✓✓✓the
hypoblast and epiblast
The exchange of nutrients, respiratory gases, and waste products
between the maternal and fetal blood is the function of the ______.
Ans✓✓✓placenta
Gastrulation occurs ______. Ans✓✓✓immediately after implantation