Biology

posted by .

1)If you wish to carry out a cladistic analysis of a group of species, then there are several types of information that you might find useful. Which one of the following choices describes a type of information that would be least useful in a cladistic analysis?
A) An identified outgroup which while related to the other taxa being compared lacks their synapomorphies.
B) Identification of homologies present in the groups being compared.
C) A means to absolutely date the time in the past when the groups being compared were represented by their common ancestor.
D) Knowledge that the groups being compared do consist of at least part of a monophyletic group.
E)Knowledge of the state of each characteristic to be used in the analysis for each of the groups being compared.
2) When studying the systematics of selected groups of eukaryotes, the DNA from each taxon is isolated and sequenced using typical molecular biological procedures. Which one of the following incorrectly describes an issue related to carrying out such a study?

A) A means to identify common homologies within the DNA sequences needs to be available.
B) A large enough section of DNA must be used so that similar sequences reflect a shared ancestry instead of being produced by chance.
C) The DNA that is isolated must not be contaminated by DNA from other sources.
D) A different gene must be isolated from each of the species being examined.
E) DNA that is typical for each species should be obtained, and not DNA from an extremely unusual individual.

  • Biology -

    It looks as though you simply posted your homework assignment. We do not DO the work for you but HELP. That means that you need to tell us specifically HOW we may help you.

    Sra

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. BIOLOGY

    what are other sciences that might provide information that is useful to biologists?
  2. government

    I can't seem to figure out where to find the information that I need to answer the following question, "What role should America’s ideals play in its national security policy?
  3. biology

    Name at least 3 useful purposes for bacterial endospores. -I have only 2, which are: produce antibiotics and produce toxins that kill insects. Also, how is the spore location within the cell used to differentiate species?
  4. health records law

    Of the following types of information, which one has the strictest rules regarding the release of information?
  5. allied health part2-19

    of the following types of information, which one has the strictest rules regarding the release of informationg?
  6. english

    Please check my work. How did I do? Also, please correct me on any gramatical mistakes. Thank you. Summary, Analysis, Synthesis, and Evaluation...... Write a paragraph explaining the key differences between the four types of writing.
  7. Health care Information System, Question 3

    From your own Internet research, to find a report card for one or more of your local hospitals. "Using Information" Please respond to the following: Create a very brief scenario (1-2 sentences) in which specific information should …
  8. Biology

    I would like some help if that is OK, like soon!:) 1.) A group of scientists proposes an idea that a chemical compound will enable bean plants to grow faster. They grow one group of bean plants in the presence of the compound and another …
  9. Math

    Each type of text has a purpose for the reader if you were looking to research penguins what type of text would u utilize A. textual B. functional C. recreational D. digital how is functional text useful in everyday life A. it provides …
  10. education tecnology

    1)what is a database: A)a group of information in slides B)a digital collection of information that can be sorted , organized , and analyzed C)a cart that is displays data from several fields D) a group of records about one person …

More Similar Questions