In garden peas, the allele for tall plants is dominant over the allele for short plants. A true-breeding tall plant is crossed with a short plant, and one of their offspring is test crossed. Out of 20 offspring resulting from the test cross, about __________ should be tall.
a. 0
b. 5
c. 10
d. 15
e. 20

Question

In garden peas, the allele for tall plants is dominant over the allele for short plants. A true-breeding tall plant is crossed with a short plant, and one of their offspring is test crossed. Out of 20 offspring resulting from the test cross, about __________ should be tall. 
a.	0 
b.	5 
c.	10 
d.	15 
e.	20

alphadxg · Answer

Have you drawn your punnet Square yet? Show us what you got, and that should give us the phenotype.