2. The number of seaweed flies in the three genotype classes were recorded at St
ID: 4803 • Letter: 2
Question
2. The number of seaweed flies in the three genotype classes were recorded at St. Mary’s Island over two generations. Here is a subset of the data from the first edition of Freeman & Herron:
BB
BC
CC
total
1979 (adults)
21
19
6
1980 (pre-adult sample)
48
23
9
1980 (adult sample)
150
104
18
a. Calculate the genotype and allele frequencies among the three groups of genotypes (1979 adults, 1980 pre-adults, 1980 adults).
BB
BB
BC
CC
total
1979 (adults)
21
19
6
1980 (pre-adult sample)
48
23
9
1980 (adult sample)
150
104
18