« previous next »

Author Question: A researcher is trying to construct a molecular-based phylogeny of the entire an (Read 940 times)

hummingbird

  • Sr. Member
  • ****
  • Posts: 324
on: Aug 2, 2013
A researcher is trying to construct a molecular-based phylogeny of the entire animal kingdom. Assuming that none of the following genes is absolutely conserved, which of the following would be the best choice on which to base the phylogeny?
A) genes involved in chitin synthesis
B) collagen genes
C) β-catenin genes
D) genes involved in eye-lens synthesis
E) genes that cause radial body symmetry


geoffrey

  • Hero Member
  • *****
  • Posts: 880
Reply #1 on: Aug 3, 2013
Best answer would be B.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

hummingbird

  • Sr. Member
  • ****
  • Posts: 324
Reply #2 on: Aug 7, 2013
Great help lol Thanks


« previous next »
 

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

The cladistic approach from molecular genetic data The cladistic approach from molecular genetic data
Early divisions in the animal phylogeny. Early divisions in the animal phylogeny.
The molecular basis of genetic complementation The molecular basis of genetic complementation
Organization of proteins based on motifs Organization of proteins based on motifs
The overlapping relationship among research, evidence-based practice The overlapping relationship among research, evidence-based practice
Molecular tree of life Molecular tree of life
Video: Embryonic development - Week 3

For a complete list of videos, visit our video library