1. Dominance is “complete” when a heterozygote… (choose all that
apply)
a. has the same phenotype as a homozygote
b. has a stronger phenotype than a homozygous recessive
c. has a weaker phenotype than a homozygote
d. has a phenotype different than the homozygous recessive in 100%
of the progeny
2. Consider a red-flowered plant that crossed to a red-flowered
plant gives red-flowered progeny, but when crossed to a
white-flowered plant that produces pink-flowered progeny… This
could be an example of… (choose all that apply)
a. Co-dominance
b. Environmental influence
c. Incomplete expressitivity
d. Incomplete dominance
3. In a case of “x” multiple alleles for a locus in a diploid
species, the number of possible phenotypes in an individual can be
calculated as _____
a. It depends on the dominance order of the alleles
b. (x*x)/2
c. x* (x+1)/2
d. x/2
4. In a case of “x” mutiple alleles for a locus in a diploid
species, the number of possible genotypes in an individual can be
calculated as ________
a. x*2
b. x* (x+1)/2
c. x*x
d. It depends on the dominance order of the alleles