« previous next »

Author Question: Which of the following might result in a human zygote with 45 chromosomes? A) an (Read 1712 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?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

The eukaryotic cell cycle and cell division in an organism with six chromosomes. The eukaryotic cell cycle and cell division in an organism with six chromosomes.
Human Eyelash Human Eyelash
18 weeks old human fetus 18 weeks old human fetus
2006 Data:Top 25 Substances Involved in Human Exposures 2006 Data:Top 25 Substances Involved in Human Exposures
Human Modification: Environmental Issues Human Modification: Environmental Issues
Structural comparison of human blood vessels and the direction of blood flow through them Structural comparison of human blood vessels and the direction of blood flow through them
Video: Wound Repair Animation

For a complete list of videos, visit our video library