Question

1. In rabbits, straight ears is dominant to floppy ears. If you cross a homozygous straight eared rabbit with a homozygous floppy eared rabbit, what phenotype(s) would you expect in their offspring? a. 50% floppy eared, 50% straight eared b. 100% straight eared c. .100% floppy eared d. 75% straight eared and 25% floppy eared

2. In tomatoes, there are two alleles for the height gene. The tall allele is dominant over the short allele. You cross a heterozygous plant with a homozygous recessive plant. What phenotypes do you expect in their offspring? a. 100% tall b. 50% tall and 50% short c. 75% tall and 25% short d. 75% short and 25% tall e. 100% short

3. In pea plants, yellow pods are dominant to green pods. If you cross two heterozygous pea pods, what is the expected phenotypic and genotypic ratios of their offspring? Choose BOTH from the options below.

a. 3 yellow pods: 1 green pod

b. 3 green pods: 1 yellow pod

c. all green pods

d. 2 green pods: 2 yellow pods

e. 2 YY: 2 yy

f. 1 YY: 2 Yy: 1 yy

g. 3YY : 1 yy

h. 1 YY : 3 Yy

Answer 1