This topic contains a solution. Click here to go to the answer

Author Question: How should twins who share a placenta and come from one fertilized ovum be identified? a. ... (Read 288 times)

rachel9

  • Sr. Member
  • ****
  • Posts: 495
How should twins who share a placenta and come from one fertilized ovum be identified?
 
  a. Dizygotic
  b. Trizygotic
  c. Genetically different
  d. Monozygotic

Question 2

What is the first secretion produced by the breast?
 
  a. Prolactin
  b. Colostrum
  c. False milk
  d. Whey



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

14vl19

  • Sr. Member
  • ****
  • Posts: 310
Answer to Question 1

ANS: D
Monozygotic twins, also known as identical twins, originate from one fertilized ovum and share a placenta. Monozygotic twins carry the same genetic code. Dizygotic twins are the result of two separate ova being fertilized at the same time.

Answer to Question 2

ANS: B
The first secretion to be produced by the breast is colostrum.





 

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

For a complete list of videos, visit our video library