AP Biology Discussion Notes
04/17/2015
Goals for the day
• Be able to explain & apply the HardyWeinberg Equilibrium
• Be able to define and apply the terms of
population genetics and say what they might
mean for evolution & Hardy Weinberg
Question of the day 4/17
What process is the only one that
causes ADAPTIVE change (adaptive
evolution) to allele/genotype
frequencies in populations?
Question of the day 4/17
What process is the only one that
causes ADAPTIVE change (adaptive
evolution) to allele/genotype
frequencies in populations?
HWE Problem Set #2
HWE Problem Set 2
•
#14
14. After graduation, you and 19 friends build a raft, sail to a deserted
island, and start a new population, totally isolated from the world. Two
of your friends carry (that is, are _________zygous for) the recessive cf
allele, which in homozygotes causes cystic fibrosis. Assuming that the
frequency of this allele does not change as the population grows, what
will be the instance of cystic fibrosis on your island?
Term(s) Given:
Term(s) Needed:
HWE Problem Set 2
•
#19
# 19 If the 500 setae-less worms were eaten by birds because they
could not move. What would be the new allele frequencies for the next
generation?
Term(s) Needed:
Period 6 Data
• Population Size:
• Total # alleles:
• Starting Freq. for p =
q=
Hardy Weinberg Lab – Case 1
Generation
1
5
10
Genotype Totals
AA
Aa
aa
Hardy Weinberg Lab
Hardy Weinberg Lab – Case 2
Generation
1
5
10
15
Genotype Totals
AA
Aa
aa
Hardy Weinberg Lab – Case 3
Generation
1
5
10
15
Genotype Totals
AA
Aa
aa
Hardy Weinberg Lab – Case 4
Island 1
Generation
AA
Aa
Island 2
aa
Generation
1
1
5
5
10
10
15
15
AA
AA
Aa
aa
Island 4
Island 3
Generation
Aa
aa
Generation
1
1
5
5
10
10
15
15
AA
Aa
aa
Period 3 Data
• Population Size:
• Total # alleles:
• Starting Freq. for p =
q=
Hardy Weinberg Lab – Case 1
Generation
1
5
10
Genotype Totals
AA
Aa
aa
Hardy Weinberg Lab
Hardy Weinberg Lab – Case 2
Generation
1
5
10
15
Genotype Totals
AA
Aa
aa
Hardy Weinberg Lab – Case 3
Generation
1
5
10
15
Genotype Totals
AA
Aa
aa
Hardy Weinberg Lab – Case 4
Island 1
Generation
AA
Aa
Island 2
aa
Generation
1
1
5
5
10
10
15
15
AA
AA
Aa
aa
Island 4
Island 3
Generation
Aa
aa
Generation
1
1
5
5
10
10
15
15
AA
Aa
aa
Period 2 Data
Hardy Weinberg Lab – Case 1
Generation
1
5
10
Genotype Totals
AA
Aa
aa
Hardy Weinberg Lab
Hardy Weinberg Lab – Case 2
Generation
1
5
10
15
Genotype Totals
AA
Aa
aa
Hardy Weinberg Lab – Case 3
Generation
1
5
10
15
Genotype Totals
AA
Aa
aa
Hardy Weinberg Lab – Case 4
Island 1
Generation
AA
Aa
Island 2
aa
Generation
1
1
5
5
10
10
15
15
AA
AA
Aa
aa
Island 4
Island 3
Generation
Aa
aa
Generation
1
1
5
5
10
10
15
15
AA
Aa
aa
Period 1 Data
Hardy Weinberg Lab – Case 1
Generation
1
5
10
Genotype Totals
AA
Aa
aa
Hardy Weinberg Lab
Hardy Weinberg Lab – Case 2
Generation
1
5
10
15
Genotype Totals
AA
Aa
aa
Hardy Weinberg Lab – Case 3
Generation
1
5
10
15
Genotype Totals
AA
Aa
aa
Hardy Weinberg Lab – Case 4
Island 1
Generation
AA
Aa
Island 2
aa
Generation
1
1
5
5
10
10
15
15
AA
AA
Aa
aa
Island 4
Island 3
Generation
Aa
aa
Generation
1
1
5
5
10
10
15
15
AA
Aa
aa
Lab will be due on Wednesday 4/22