Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password

Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.

Chap 21 Development Test

Enter the letter for the matching Answer
incorrect
1.
The umbilical cord transfers blood _____ and _______?
incorrect
2.
When the 2 alleles are opposite this is called?
incorrect
3.
This sac gives rise to the first blood cells and sex stem cells what is it called?
incorrect
4.
The chorion originates as the what?
incorrect
5.
The gene that is not expressed of the 2 is called?
incorrect
6.
What stage of labor are you in if you are dilating and effacing, the amniotic sac breaks, the mucus plug is released?
incorrect
7.
The maternal and fetal tissue structure that separates fetal and maternal blood is called?
incorrect
8.
The amnion contains a fluid called what?
incorrect
9.
There are how many pairs of autosomes given to the diploid during fertilization?
incorrect
10.
As soon as birth occurs the fetus is now called an?
incorrect
11.
The plate of cells within the blastocyst is called?
incorrect
12.
The placenta produces hormones to maintain pregnancy what hormones are these?
incorrect
13.
During fertilization the acrosome becomes more?
incorrect
14.
A change or maturation of the sperm that takes place as it is swimming through the uterus and fallopian tubes is called?
incorrect
15.
The period from fertilization of the egg until birth is called?
incorrect
16.
Most of our characteristics are determined or influenced by what?
incorrect
17.
Since the acrosome is more fragile this allows the acrosome to burst and do what to the egg?
incorrect
18.
When one of the millions of sperm joins the egg to combine DNA and form a Zygote is called?
incorrect
19.
Every gene has been mapped according to the what?
incorrect
20.
What connects the fetus to the placenta?
A.
Infant
B.
Fragile
C.
Digest the egg membrane
D.
Embryonic disc
E.
Capacitation
F.
Human chorionic gonadotropin
G.
Recessive
H.
Genetics
I.
Human genome project
J.
Fertilization
K.
Yolk sac
L.
First stage
M.
Amniotic fluid
N.
22 pairs
O.
The placenta
P.
Heterozygous
Q.
back and fourth
R.
Gestation
S.
Umbilical cord
T.
Omnion
Type the Answer that corresponds to the displayed Question.
incorrect
21.
The 2 or more possibilities for the expression of a pair of genes is called?
incorrect
22.
Inner GI mucosa, respiratory mucosa, liver, thyroid and pancreas are all formed in this layer?
incorrect
23.
The gene that is expressed of the 2 is called?
incorrect
24.
There are 2 arteries and they carry blood ______ from the fetus and 1 vein that carries blood _______ the fetus?
incorrect
25.
Outer epidermis and its derivcatives, nervous system, lens, cornea, internal ear are all created in this layer?
incorrect
26.
How many human genes are there?
incorrect
27.
Pregnancy tests are more accurate with?
incorrect
28.
Another name for birth is?
incorrect
29.
Fetal growth occurs during what weeks?
incorrect
30.
At what week are the organ systems established in the embryo?

edit
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how
Created by: ShanellStock
Popular Anatomy sets