« previous next »

Author Question: One difference between sperm cells and ova is that: ova carry an X chromosome, whereas sperm ... (Read 175 times)

burton19126

  • Hero Member
  • *****
  • Posts: 532
on: Jun 22, 2018
One difference between sperm cells and ova is that:
 
  ova carry an X chromosome, whereas sperm carry either an X or a Y
  chromosome.
  ova carry two X chromosomes, whereas sperm carry two Y chromosomes.
  sperm carry more genetic material than ova do.
  sperm carry two X chromosomes, whereas ova carry an X and a Y
  chromosome.

Question 2

In the 23rd pair, a normal girl has:
 
  two X chromosomes.
  two Y chromosomes.
  one X and Y chromosome.
  one X chromosome.


jgranad15

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Jun 22, 2018
Answer to Question 1

ova carry an X chromosome, whereas sperm carry either an X or a Y

Answer to Question 2

two X chromosomes.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

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.

Plant cells expand by taking up water into their vacuoles. Plant cells expand by taking up water into their vacuoles.
Dividing bacterial cells Dividing bacterial cells
Mumps Virus affecting cells Mumps Virus affecting cells
White Blood Cells White Blood Cells
Normal red blood cells (round) and sickled red blood cells Normal red blood cells (round) and sickled red blood cells
How mitosis maintains the chromosome number. How mitosis maintains the chromosome number.
Video: Major Elements in Biological Molecules: Nucleic acids

For a complete list of videos, visit our video library