« previous next »

Author Question: Which kind of DNA should provide the best molecular clock for determining the ev (Read 754 times)

geoffrey

  • Hero Member
  • *****
  • Posts: 880
on: Jul 14, 2013
Which kind of DNA should provide the best molecular clock for determining the evolutionary relatedness of several species whose common ancestor became extinct billions of years ago?
A) that coding for ribosomal RNA
B) intronic DNA belonging to a gene whose product performs a crucial function
C) paralogous DNA that has lost its function (i.e., no longer codes for functional gene product)
D) mitochondrial DNA
E) exonic DNA that codes for a noncrucial part of a polypeptide


penguins

  • Hero Member
  • *****
  • Posts: 903
Reply #1 on: Jul 15, 2013
Easy! It's A. Bye for now :D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Electron atomic and molecular orbitals Electron atomic and molecular orbitals
Molecular asymmetry: chiral and achiral molecules Molecular asymmetry: chiral and achiral molecules
MSDS labels provide an abridged version of substance hazards information and must be permanently ... MSDS labels provide an abridged version of substance hazards information and must be permanently ...
Role of Factors of Production in Determining Growth, 1975–2009 Role of Factors of Production in Determining Growth, 1975–2009
The biological clock obviously constrains the social clock The biological clock obviously constrains the social clock
molecular orbital theory molecular orbital theory
Video: Bone Healing Animation

For a complete list of videos, visit our video library