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About Dana Krempels
(Top Expert on this page)

Expertise
I can answer questions about evolutionary mechanisms and theory, including genetic drift, mutation, natural selection, etc. I also can clear up misconceptions about evolution as it's sometimes talked about by those not well-versed in the subject (e.g., some politicians and many religious fundamentalists).

Experience
I have a Ph.D. in Biology, and presently teach Evolution and Biodiversity, Genetics, Botany, and Zoology at the University of Miami.

Organizations
House Rabbit Society Beta Beta Beta Biological Honor Society

Publications
Exotic DVM Magazine (veterinary journal)

Education/Credentials
B.S. in Biology B.A. in English Ph.D. in Biology

   

You are here:  Experts > Science > Biology > Evolution

SubjectDate AskedExpert

Phylogenetics and Molecular Clocks11/18/2009Dana Krempels
  Q: Krempels, I'm happy that I was able to play the role of teacher and tell you about lanugo in my ...
  A: Tom Sorry for the delay in answering. Been a busy rabbit rescue week! Regarding your ...
mutation rate11/8/2009Dana Krempels
  Q: Is it possible to estimate a number of generations necessary for a human mutation to appear ...
  A: One of the main reasons that scientists use organisms such as fruit flies, bacteria, mice, ...
mutation rate11/6/2009Dana Krempels
  Q: Is it possible to estimate a number of generations necessary for a human mutation to appear ...
  A: "Is it possible to estimate a number of generations necessary for a human mutation to appear ...
biological classification11/6/2009Dana Krempels
  Q: I have a question about the different classification systems. what is the most commonly used system ...
  A: Traditionally, our classification system is based on the one created by Carl Linne (a.k.a. ...
Evolutionary Development10/28/2009Dana Krempels
  Q: It's been months since I asked any questions. I've been pretty busy this semester. My latest ...
  A: Dr. Coyne is absolutely correct. Ernst Haeckle was on the right track, but his terminology wasn't ...
molecular clock10/25/2009Dana Krempels
  Q: Ive read something on this, but again, its tough to understand when they start speeaking of ...
  A: You can find a good explanation here: ...
Evolutionary mutations10/25/2009Dana Krempels
  Q: My understanding of evolutionary change is that it relies on mutations to occur, these more ...
  A: "Does this mean that the DNA(including ?epigenetic markers?) that gets passed on to offspring can be ...
Evolutionary mutations10/23/2009Dana Krempels
  Q: My understanding of evolutionary change is that it relies on mutations to occur, these more ...
  A: I think the best way to address this one is to answer your questions one by one: "My understanding ...
Multi-Cellular evolution10/22/2009Dana Krempels
  Q: Lately I've been reading up on Richard Lenski's experiment on E. coli and found it fascinating on ...
  A: I am not aware of any such studies, which--as you have already guessed--would be nearly impossible ...
inheritance of DNA10/18/2009Dana Krempels
  Q: I have read that 1/2 of DNA is inherited from each parent. Does that mean that 1/2 of each parent's ...
  A: Ah, okay. The article you cite is talking about cells being "exchanged" between mother and fetus, ...
inheritance of DNA10/17/2009Dana Krempels
  Q: I have read that 1/2 of DNA is inherited from each parent. Does that mean that 1/2 of each ...
  A: This is probably WAY more information than you want, but I'd rather overdo it than leave you ...
phylogenetic tree10/13/2009Dana Krempels
  Q: i'm doing evolution at highschool. i'm year 12, senior. can you describe the features that can be ...
  A: I can't do your homework project for you, but I can give you some good tips and places to look for ...
human evolution10/12/2009Dana Krempels
  Q: I watched a program on the human family tree. Could you explain how if the humans came about at ...
  A: Reproductive isolation can be of several different types, and you can get an overview of each type ...
human evolution10/6/2009Dana Krempels
  Q: I watched a program on the human family tree. Could you explain how if the humans came about at ...
  A: While no one is exactly sure of all the details of human origin and evolution, the general ...
On transposons and ERVs10/3/2009Dana Krempels
  Q: I have asked you several questions in the past, and you have provided very good answers. I have a ...
  A: When you cite creationist claims such as: "Transposons could have been put in similar chromosomal ...
Falsehoods of Evolution?9/29/2009Dana Krempels
  Q: I cently met a Creationtist, who told me the following: At its core, evolution is built solely on a ...
  A: It sounds as if this creationist was tossing terminology at you without fully understanding what ...
Vestigiality, atavisms, and our dear designer.9/22/2009Dana Krempels
  Q: Recently, I've taken an interest into this Evolution/Creationism controversy and have been reading a ...
  A: Your comments are very kind, and I thank you. Now. Richard Dawkins. I don't care what anyone ...
Vestigiality, atavisms, and our dear designer.9/20/2009Dana Krempels
  Q: Recently, I've taken an interest into this Evolution/Creationism controversy and have been reading a ...
  A: This is always an interesting discussion. I'll start with a quote from your email: "Coyne, and ...
Natural selection9/13/2009Dana Krempels
  Q: Explain how natural selection may bring about evolution. Thank you very much
  A: Okkaaaaaayyyyy.....it's getting more obvious that you're asking me to do your homework for you, ...
Selection9/13/2009Dana Krempels
  Q: explain why variation is important in selection. Thanks a lot
  A: I think this might be a homework question, but I'll give you some hints. Mutation is the raw ...
evolution: How does it happen?9/10/2009Dana Krempels
  Q: I understand evolution as it relates to mamals, but I'm confused in other areas. For example, as ...
  A: Plant evolution isn't all that different from animal evolution, really. The earliest ancestors of ...
evolution: How does it happen?9/8/2009Dana Krempels
  Q: I understand evolution as it relates to mamals, but I'm confused in other areas. For example, as ...
  A: All life on earth today is believed to have evolved from very simple, ancestral life forms that are ...
ID IN THE PRIVATE SECTOR9/8/2009Dana Krempels
  Q: I have been involved in the creation evolution controversy for many years. I have followed to some ...
  A: Your question is a good one. And I suppose the answer is that you don't have to really understand ...
evolution9/7/2009Dana Krempels
  Q: I dont know much about evolution, I however accept it. I would like to know which books and videos ...
  A: An ancestral species has given rise to two new descendant species when the two new groups can no ...
evolution9/4/2009Dana Krempels
  Q: I dont know much about evolution, I however accept it. I would like to know which books and videos ...
  A: "I would like to know which books and videos or dvds you can recommend to explain to the average guy ...
Fishy Argument9/4/2009Dana Krempels
  Q: What is the evolutionist response to the creationist argument below I recently heard? How did the ...
  A: There are many different ways that bodies of water not now connected to other bodies of water could ...
Quick Evolution questions7/22/2009Dana Krempels
  Q: I just have a few questions about evolution. Don't worry, I'm not a Creationist, so these aren't ...
  A: "I just have a few questions about evolution. Don't worry, I'm not a Creationist, so these aren't ...
In the Beginning Science or Beliefs perhaps both7/22/2009Dana Krempels
  Q: A unknown answer is the answer to the following question is my believe yet here it goes. Science has ...
  A: You may have heard of the "Big Bang" Theory, which explains the origin of the universe and its ...
Evolution of Consciousness7/21/2009Dana Krempels
  Q: I know that scientific evolution and biblical evolution have a different view yet are similar when ...
  A: In science, the term "theory" doesn't have the same definition as it does in colloquial English. In ...
Evolution of Consciousness7/19/2009Dana Krempels
  Q: I know that scientific evolution and biblical evolution have a different view yet are similar when ...
  A: There are still some phenomena in science that are not fully understood, possibly because we ...
Different Questions7/18/2009Dana Krempels
  Q: Dr. Krempels, It's all a lot to take in, but I feel my understanding of evolution is becoming ...
  A: Sorry for the delay. I've been swamped with our ecology outreach program. If you would be so kind ...
New Questions7/11/2009Dana Krempels
  Q: I've e mailed you before with questions about speciation and you explained to me how it works and ...
  A: Glad I could help a bit! Quoting your most recent questions: "So, new species are in the process of ...
Speciation7/9/2009Dana Krempels
  Q: I've e mailed you before with questions about speciation and you explained to me how it works and ...
  A: Congratulations on taking on this tough topic in a debate! And yes, you've probably anticipated ...
Evolution & Biblical Belief7/9/2009Dana Krempels
  Q: First of all I must say the following; Where have you been all my life? Your beautiful. Ok, now to ...
  A: "Your response was orgasmic. I am so into you." (Oooookay, Joel. Are you being bored this summer? ...
Evolution & Biblical Belief7/7/2009Dana Krempels
  Q: First of all I must say the following; Where have you been all my life? Your beautiful. Ok, now to ...
  A: Well, gee. You are kind. (It's true what they say: Gesus loves me!) :) But to address your ...
Theory of evolution6/9/2009Dana Krempels
  Q: What is theory of evolution? I read many books and search different web site then I came to that ...
  A: I agree with you if you are saying that evolution usually happens when there is a change in the ...
Forensic evidence of past events5/31/2009Dana Krempels
  Q: I'm debating with a creationist who is well-versed in philosophy, or at least philosophical ...
  A: What your friend is conveniently forgetting is that evolution has occurred over an unimaginably long ...
Evolution and Genetics: Why do bad traits persist in humans?5/28/2009Dana Krempels
  Q: Why do bad genes get passed on to offspring when one parent has good strong genes in that area? i.e. ...
  A: To best explain the answer to your question, please first let me give a little bit of background ...
principle structures5/27/2009Dana Krempels
  Q: What are the most basic principle structures of evolution? What is meant by this question is: what ...
  A: Although this sounds like a homework question, I will help with a hint. The most basic structure on ...
What is the mechanism behind Vestigiality?5/27/2009Dana Krempels
  Q: and thanks for answering my question. I understand how an animal adapts to its environment through ...
  A: In the specific example you give, that of a mole, I can think of good reasons why large eyes would ...

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