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 39 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
:D TYSM

Dinolord

  • Member
  • Posts: 313
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Sperm penetration of ovum Sperm penetration of ovum
What type of errors are these: calling only large dogs a dog and calling a dog a kitty? What type of errors are these: calling only large dogs a dog and calling a dog a kitty?
Kitagawa Utamaro, The Fickle Type, from the series Ten Physiognomies of Women. Kitagawa Utamaro, The Fickle Type, from the series Ten Physiognomies of Women.
Type of rocks Type of rocks
Rock Type Influences Weathering Rock Type Influences Weathering
Sponge releasing sperm Sponge releasing sperm
Video: What are Taste Receptors? How Does it Work? Animation

For a complete list of videos, visit our video library