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

Author Question: How should twins who share a placenta and come from one fertilized ovum be identified? a. ... (Read 220 times)

rachel9

  • Sr. Member
  • ****
  • Posts: 495
on: Jul 11, 2018
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
Reply #1 on: Jul 11, 2018
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.


rachel9

  • Sr. Member
  • ****
  • Posts: 495
Reply #2 on: Jul 11, 2018
Thank you


14vl19

  • Sr. Member
  • ****
  • Posts: 310
Reply #3 on: Jul 11, 2018
No problemo


« previous next »
 

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Structure of the ovary and uterine (fallopian) tube. Figure illustrates stages of ovum development a Structure of the ovary and uterine (fallopian) tube. Figure illustrates stages of ovum development a
Uterine (fallopian) tube, showing released ovum within the uterine tube. Uterine (fallopian) tube, showing released ovum within the uterine tube.
Placenta Placenta
MRI Scans of the Brains of Twins Discordant for Schizophrenia MRI Scans of the Brains of Twins Discordant for Schizophrenia
Identical twins share 100 percent of their segregating genes. Identical twins share 100 percent of their segregating genes.
A doctor showing the placenta after childbirth. A doctor showing the placenta after childbirth.
Video: Chemical Changes

For a complete list of videos, visit our video library