« previous next »

Author Question: In order for speciation to occur, what must be true? A) The number of chromosome (Read 704 times)

j_sun

  • Sr. Member
  • ****
  • Posts: 384
on: Jul 11, 2013
In order for speciation to occur, what must be true?
A) The number of chromosomes in the gene pool must change.
B) Changes to centromere location or chromosome size must occur within the gene pool.
C) Large numbers of genes that affect a single phenotypic trait must change.
D) Large numbers of genes that affect numerous phenotypic traits must change.
E) At least one gene, affecting at least one phenotypic trait, must change.


coco

  • Hero Member
  • *****
  • Posts: 739
Reply #1 on: Jul 12, 2013
Hey again :D

I'm guessing it's E. It makes sense.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

j_sun

  • Sr. Member
  • ****
  • Posts: 384
Reply #2 on: Aug 31, 2013
Sick :D Thanks


« previous next »
 

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Thyroid conditions may make getting pregnant impossible.

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

A cross of sweet peas showing that independent assortment does not always occur A cross of sweet peas showing that independent assortment does not always occur
True-color image of layers of haze in Titan's atmosphere. True-color image of layers of haze in Titan's atmosphere.
These illustrations show Ellen Craft, a slave with and without a disguise. She dressed “as a disting These illustrations show Ellen Craft, a slave with and without a disguise. She dressed “as a disting
Correlations on tests for a number of cognitive abilities are higher for monozygotic twin pairs (who ... Correlations on tests for a number of cognitive abilities are higher for monozygotic twin pairs (who ...
A GWAS study for Type 2 diabetes revealed 386,371 genetic markers, clustered here by chromosome numb A GWAS study for Type 2 diabetes revealed 386,371 genetic markers, clustered here by chromosome numb
Unbalanced, reciprocal balanced, and Robertsonian chromosome translocations Unbalanced, reciprocal balanced, and Robertsonian chromosome translocations
Video: Structures that affect circulation - arterioles and vasomotor responses and venous return

For a complete list of videos, visit our video library