« previous next »

Author Question: Under normal circumstances, if a sperm carrying a(n) ____ sex chromosome fertilizes an egg carrying ... (Read 89 times)

Diane

  • Hero Member
  • *****
  • Posts: 576
on: Jun 22, 2018
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
Reply #1 on: Jun 22, 2018
Answer to Question 1

C

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Features of normal metaphase chromosomes. Features of normal metaphase chromosomes.
sperm whale, Physeter macrocephalus sperm whale, Physeter macrocephalus
A very high-resolution texture of the Moon, including a normal map A very high-resolution texture of the Moon, including a normal map
The geomagnetic polarity time scale shows how Earth’s magnetic pole has changed through geologic tim The geomagnetic polarity time scale shows how Earth’s magnetic pole has changed through geologic tim
Normal white blood cell and a white blood cell undergoing apoptosis Normal white blood cell and a white blood cell undergoing apoptosis
A comparison of a normal erythrocyte with sickle-cell anemia A comparison of a normal erythrocyte with sickle-cell anemia
Video: Double Stranded DNA Molecule Animation

For a complete list of videos, visit our video library