« previous next »

Author Question: Which of the following best describes the frequency of crossing over in mammals? (Read 861 times)

curlz

  • Hero Member
  • *****
  • Posts: 538
on: Jun 18, 2013
Which of the following best describes the frequency of crossing over in mammals?
A) ~50 per chromosome pair
B) ~2 per meiotic cell
C) at least 1-2 per chromosome pair
D) ~1 per pair of sister chromatids
E) a very rare event among hundreds of cells


coco

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

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?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

A melanistic jaguar is a colour morph which occurs at about 6% frequency in populations. A melanistic jaguar is a colour morph which occurs at about 6% frequency in populations.
Shown eating. Cougars are ambush predators, feeding mostly on deer and other mammals. Shown eating. Cougars are ambush predators, feeding mostly on deer and other mammals.
The generation of various recombinants by crossing over in different regions The generation of various recombinants by crossing over in different regions
The primate skull is generalized compared to many other mammals. The primate skull is generalized compared to many other mammals.
What is the frequency of individuals that are homozygous for this allele? What is the frequency of individuals that are homozygous for this allele?
The frequency distribution of the allele in Africa, Southern Europe, the Middle East The frequency distribution of the allele in Africa, Southern Europe, the Middle East
Video: Neuron structure and function - sensory neurons, association neurons & motor neurons

For a complete list of videos, visit our video library