Author Question: Under normal circumstances, if a sperm carrying a(n) ____ sex chromosome fertilizes an egg carrying ... (Read 176 times)

Diane

  • Hero Member
  • *****
  • Posts: 576
Under normal circumstances, if a sperm carrying a(n) ____ sex chromosome fertilizes an egg carrying a(n) ____ sex chromosome, a male fetus is produced.
 
  A) X; X
  B) X; Y
  C) Y; X
  D) Y; Y

Question 2

Our biological sex is determined by:
 
  A) hormones.
  B) the chromosomal makeup of the sperm and ovum at conception.
  C) the 21st pair of chromosomes.
  D) the biological mother.



Viet Thy

  • Sr. Member
  • ****
  • Posts: 329
Answer to Question 1

C

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

For a complete list of videos, visit our video library