the F1 displayed all purple-flowered plants

the F1 displayed all white-flowered plants

the F2 displayed all purple-flowered plants

the F2 displayed half purple-flowered and half white-flowered plants

two factors of the same characteristic separate into different gametes

there are dominant and recessive factors

factors controlling different characteristics are inherited independently of each other

there are two factors that control inheritance

the dog’s genotype.

the dog’s phenotype

the dog’s recessive alleles.

the dog’s heterozygous alleles

has a homozygous genotype

has a heterozygous phenotype

has a heterozygous genotype.

has a homozygous phenotype

1 and 2

1 and 3

2 and 3

1, 2 and 3