« previous next »

Author Question: The human X and Y chromosomes A) are both present in every somatic cell of males (Read 686 times)

curlz

  • Hero Member
  • *****
  • Posts: 538
on: Jun 18, 2013
The human X and Y chromosomes
A) are both present in every somatic cell of males and females alike.
B) are of approximately equal size and number of genes.
C) are almost entirely homologous, despite their different names.
D) include genes that determine an individual's sex.
E) include only genes that govern sex determination.


coco

  • Hero Member
  • *****
  • Posts: 739
Reply #1 on: Jun 19, 2013
I'm pretty sure it's D. Good luck :D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

curlz

  • Hero Member
  • *****
  • Posts: 538
Reply #2 on: Jul 29, 2013
Great..that really helped.


« previous next »
 

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Movement of sound waves through the human ear. Movement of sound waves through the human ear.
Different chromosomes segregate independently Different chromosomes segregate independently
Living systems such as the human body consist of closely interrelated elements Living systems such as the human body consist of closely interrelated elements
The reference electrodes are shared by the Nernst cell and the pump cell. The reference electrodes are shared by the Nernst cell and the pump cell.
A transmission electron micrograph of cytokinesis in a cross section of a dividing cell A transmission electron micrograph of cytokinesis in a cross section of a dividing cell
Plot showing the number of genes on each human chromosome Plot showing the number of genes on each human chromosome
Video: Hershey Chase Experiments

For a complete list of videos, visit our video library