WorksheetsPunnett Squares review
Total questions: 7
Worksheet time: 5mins
Name
Class
Date
1.
Based off this parental cross, what letter represents the recessive allele?
a)
B
b)
b
2.
Which letter represents the dominant gene?
a)
B
b)
b
3.
What are the three genotypes an offspring can have
a)
BB,BB,Bb
b)
Bb,bb,bb
c)
Bb,Bb,bb
d)
BB,Bb,bb
4.
Which genotype has a 50% chance of being inherited?
a)
BB
b)
Bb
c)
bb
5.
Which list shows the correct genotypes of the offsprings.
a)
RR: 25%
Rr: 50%
rr: 50%
b)
RR: 75%
Rr: 25%
rr: 0%
c)
RR: 50%
Rr: 50%
rr: 0%
6.
Which is the correct list of the offsprings genotype?
a)
HH: 0%
Hh: 50%
hh: 50%
b)
HH:25%
Hh: 25%
hh: 25%
c)
HH: 50%
Hh: 50%
hh: 0%
7.
Fill in the punnett square. Then chose the correct list of the offsprings genotypes.
a)
AA: 50%
Aa: 0%
aa: 50%
b)
AA: 0%
Aa: 50%
aa: 50%
c)
AA: 0%
Aa: 75%
aa: 25%
100 %
