« previous next »

Author Question: Which of the following might result in a human zygote with 45 chromosomes? A) an (Read 1704 times)

curlz

  • Hero Member
  • *****
  • Posts: 538
on: Jun 18, 2013
Which of the following might result in a human zygote with 45 chromosomes?
A) an error in either egg or sperm meiotic anaphase
B) failure of the egg nucleus to be fertilized by the sperm
C) fertilization of a 23 chromosome human egg by a 22 chromosome sperm of a closely related species
D) an error in the alignment of chromosomes on the metaphase plate
E) lack of chiasmata in prophase I


coco

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


Anonymous

  • Sr. Member
  • ****
  • Posts: 317
Reply #3 on: Feb 22, 2016
Thanks


« previous next »
 

Did you know?

There are more bacteria in your mouth than there are people in the world.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

A computer rendition of biological chromosomes (biology) A computer rendition of biological chromosomes (biology)
Human tongue Human tongue
Formation of a Zygote Formation of a Zygote
Time Line of Human History From Upper Paleolithic Period to the Present Time Line of Human History From Upper Paleolithic Period to the Present
Distribution of sex chromosomes from generation to generation. All children receive an X chromosome Distribution of sex chromosomes from generation to generation. All children receive an X chromosome
A human mitotic chromosome preparation processed A human mitotic chromosome preparation processed
Video: Exocytosis - secretion

For a complete list of videos, visit our video library