The change in frequency in alleles in a population over time
1 of 21
'A sequence of nucleic acid coding for a function' is the definition for what?
Genes
2 of 21
How many processes affect microevolution?
4
3 of 21
'Different variants of a particular gene' is a definition for what?
Alleles
4 of 21
What does it mean if the evolution rate is slow?
It is not fast enough to drive evolution by itself
5 of 21
'Changes in allele frequencies by chance' is the definition for what?
Genetic drift
6 of 21
Is genetic drift important in small populations?
Yes
7 of 21
'Exchange of alleles between populations' is the definition for what?
Genetic flow
8 of 21
'Selection removes genetic variation by favouring alleles that confer greater fitness' is what theory of evolution?
Classical theory
9 of 21
'Selection maintains genetic variation by favoring heterozygotes, or by favoring different alleles in different times and places' is what theory of evolution?
Balance theory
10 of 21
'Most genetic variation maintained by genetic drift of alleles conferring no selective advantage' is what theory of evolution?
Neutral theory
11 of 21
'In populations that are subdivided, both random genetic drift and gene flow can become very important in evolution' is what theory of evolution?
Shifting balance theory
12 of 21
Is sickle cell anaemia a hereditary disease?
Yes
13 of 21
Sickle cell anaemia affects what?
Haemoglobin
14 of 21
How many deaths a year is sickle cell anaemia responsible for?
100,000
15 of 21
A mutation of the DNA code for the ß Chain of Haemoglobin causes what?
Sickle cell anaemia
16 of 21
Sickle cell anaemia is an example of what?
Balanced Polymorphism
17 of 21
Who gets malaria or sickle cell anaemia?
Homozygotes
18 of 21
Evolution is independent when...
mutation, selection, drift and gene flow operate independently
19 of 21
Essence of speciation is lack of...
gene flow
20 of 21
Morphological species concept is what?
The concept species defined as organisms with shared morphological features
21 of 21
Other cards in this set
Card 2
Front
'A sequence of nucleic acid coding for a function' is the definition for what?
Back
Genes
Card 3
Front
How many processes affect microevolution?
Back
Card 4
Front
'Different variants of a particular gene' is a definition for what?
Comments
No comments have yet been made