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 21 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
Excellent

sultansheikh

  • Member
  • Posts: 335
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

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.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Basal cell carcinoma, a frequent type of skin cancer that rarely metastasizes. Basal cell carcinoma, a frequent type of skin cancer that rarely metastasizes.
The S-curve in the human vertebral column--a result of the evolution of bipedality--makes humans hig The S-curve in the human vertebral column--a result of the evolution of bipedality--makes humans hig
Identical twins share 100 percent of their segregating genes. Identical twins share 100 percent of their segregating genes.
Pregnancy with twins الحمل بتؤام Pregnancy with twins الحمل بتؤام
Depiction of the homunculus, a sperm containing a miniature adult Depiction of the homunculus, a sperm containing a miniature adult
General mechanism of sperm formation in animals General mechanism of sperm formation in animals
Video: TRH/TSH/Thyroid hormone

For a complete list of videos, visit our video library