Author Question: What is the total number of chromosomes contained in a mature sperm or ovum? a. 22 b. 23 c. 44 ... (Read 79 times)

tingc95

  • Hero Member
  • *****
  • Posts: 556
What is the total number of chromosomes contained in a mature sperm or ovum?
 
  a. 22
  b. 23
  c. 44
  d. 46

Question 2

A pregnant woman states, My husband hopes I will give him a boy because we have three girls. What will the nurse explain to this woman?
 
  a. The sex chromosome of the fertilized ovum determines the gender of the child.
  b. When the sperm and ovum are united, there is a 75 chance the child will be a girl.
  c. When the pH of the female reproductive tract is acidic, the child will be a girl.
  d. If a sperm carrying a Y chromosome fertilizes an ovum, then a boy is produced.



Eazy416

  • Sr. Member
  • ****
  • Posts: 360
Answer to Question 1

ANS: B
Gametes (sex chromosomes) contain 23 chromosomes.

Answer to Question 2

ANS: D
When a Y-bearing sperm fertilizes an ovum, a male child is produced.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

For a complete list of videos, visit our video library