Biology 12

Student Textbook p. 370

1.genotype frequency:

homozygous dominant (0.55)

heterozygous (0.27)

homozygous recessive (0.18)

allele frequency:

dominant allele (0.69)

recessive allele (0.31)

2.

Student Textbook p. 376

1.allele frequency: A=0.6; a=0.4

genotype frequencies: AA=0.36;

Aa=0.48; aa=0.16

2.21%

3.allele frequency: T=0.9; t=0.1

genotype frequencies: TT=0.81;

Tt=0.18; tt=0.01

phenotype

genotype

number

genotype frequencies

number of alleles in gene pool

allele frequencies

purple

AA

320

0.64

A = 800

A = 0.80

purple

Aa

160

0.32

white

aa

20

0.04

a = 200

a = 0.20

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