Author Question: Under normal circumstances, if a sperm carrying a(n) ____ sex chromosome fertilizes an egg carrying ... (Read 124 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?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

For a complete list of videos, visit our video library