This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: When two ova are released and both are fertilized by a sperm, what type of twins result? a. ... (Read 50 times)

jc611

  • Hero Member
  • *****
  • Posts: 552
on: Jun 22, 2018
When two ova are released and both are fertilized by a sperm, what type of twins result?
 
  a. Fraternal twins
 b. Identical twins
 c. Either fraternal or identical twins
 d. Neither, only one egg at a time can be fertilized and twins result if that egg splits in two.

Question 2

The role of the placenta is to:
 
  a. Supply nutrients to the developing fetus.
 b. Aid in respiratory and excretory functions of the fetus.
 c. Secrete hormones necessary for the continuation of the pregnancy.
  d. All of these


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mk6555

  • Sr. Member
  • ****
  • Posts: 310
Reply #1 on: Jun 22, 2018
Answer to Question 1

a

Answer to Question 2

d


jc611

  • Member
  • Posts: 552
Reply 2 on: Jun 22, 2018
Gracias!

nanny

  • Member
  • Posts: 313
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Przewalski's Horse, the only remaining type of "wild" horse that has never been domes Przewalski's Horse, the only remaining type of "wild" horse that has never been domes
A vasectomy, showing how each vas deferens is tied off in two places and then a section is removed f A vasectomy, showing how each vas deferens is tied off in two places and then a section is removed f
The same star field photographed with (a) a ground-based telescope, which is subject to poor seeing The same star field photographed with (a) a ground-based telescope, which is subject to poor seeing
During World War I, advancing armies unloosed ferocious artillery barrages to destroy deeply entrenc During World War I, advancing armies unloosed ferocious artillery barrages to destroy deeply entrenc
Energy is released from the breaking of the phosphate bond in ATP when converting to ADP. Energy is released from the breaking of the phosphate bond in ATP when converting to ADP.
The Process of Sperm Formation The Process of Sperm Formation
Video: Arthroscopy

For a complete list of videos, visit our video library