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ABIO: Evolution Review Sheet
Define:
 Species ________________________________________________________
______________________________________________________________
 Population _______________________________________________________
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QUESTION
1. What is the sum total of all alleles in a
population?
2. What is how often an allele occurs out of
all the alleles?
3. If the allele frequency for the recessive
allele in a population of 100 is 25% - how
many recessive alleles are there?
4. If the allele frequency changes, what is
occurring?
5. What are 5 mechanisms of evolution?
6. What is a change/mistake in DNA?
7. When genes move from one population to
another it is called ___________.
8. Individuals moving into a population can
be called?
9. What are 2 types of genetic drift?
ANSWER
10.
When a few individuals leave a
population and start a new population –
but there are different allele frequencies
– what type of genetic drift is it?
11. Does genetic drift happen more
frequently in small or large populations?
12.
How do the allele frequencies change
during genetic drift?
13.
What scientist came up with the
theory of evolution that said acquired
characteristics could be passed to
offspring?
14.
Was he right or wrong?
15.
What is the process by which a
population becomes better suited to its
environment?
16.
What was Darwin’s theory of
evolution called?
17.
What is needed for natural selection
to occur?
18.
What is it called when a population is
separated by a barrier?
19.
What different evidence of evolution
do scientists use to support the theory of
evolution?
20.
What evidence uses similarities in
bones to prove evolution?
21.
Organs, like the appendix, that no
longer have a useful function are
referred to as ________ structures.
22.
What different biochemical or
molecular evidence is there?