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What is the probability the offspring will be heterozygous?
 
50%
 
25%
 
75%
 
100%
What is the probability the offspring will be homozygous?
 
50%
 
25%
 
75%
 
100%
What are the possible genotypes for a parent cross of rr and Rr?
 
Rr and rr
 
Rr only
 
rr only
What are the possible genotypes for a cross of RR and Rr parents?
 
RR and Rr
 
RR only
 
rr only
What are the possible genotypes with a cross of rr and rr?
 
rr only
 
RR only
 
Rr only
What is the probability of growing yellow beans?
2/4 or 1/2 or 50%
Which of the following would NOT express a dominant trait?
 
nn
 
NN
 
Nn
Which of the following would a recessive trait be expressed?
 
tt
 
TT
 
Tt
Is this Punnett Square correctly done?
yes
If R is the allele for brown hair and r is the allele for white hair, what is the probability the offspring will have white hair?
 
25%
 
50%
 
75%
 
100%
What is the probability the offspring will be homozygous recessive?
 
0%
 
25%
 
50%
 
100%
What are the possible genotypes for the following cross?
 
TT, Tt, and tt
 
TT only
 
Tt only
 
tt only