WorksheetsPunnett Practice
Total questions: 22
Worksheet time: 13mins
If round is dominant to wrinkly, what is the genotype of a homozygous round?
RR
Rr
rr
If round is dominant to wrinkly, what is the genotype of a homozygous wrinkly?
RR
Rr
rr
If round is dominant to wrinkly, what is the genotype of a heterozygous round?
RR
Rr
rr
Round is dominant to wrinkly.
Cross a heterozygous round with a heterozygous round:
3/4 Round, 1/4 Wrinkly
1/2 Round, 1/2 Wrinkly
3/4 Wrinkly, 1/4 Round
All round
Round is dominant to wrinkly.
Cross a heterozygous round with a homozygous round:
3/4 Round, 1/4 Wrinkly
1/2 Round, 1/2 Wrinkly
3/4 Wrinkly, 1/4 Round
All round
Round is dominant to wrinkly.
Cross a heterozygous round with a homozygous wrinkly:
3/4 Round, 1/4 Wrinkly
1/2 Round, 1/2 Wrinkly
3/4 Wrinkly, 1/4 Round
All round
Round is dominant to wrinkly.
Cross a homozygous round with a homozygous wrinkly:
3/4 Round, 1/4 Wrinkly
1/2 Round, 1/2 Wrinkly
3/4 Wrinkly, 1/4 Round
All round
Round is dominant to wrinkly.
Cross a homozygous round with a homozygous round:
3/4 Round, 1/4 Wrinkly
1/2 Round, 1/2 Wrinkly
3/4 Wrinkly, 1/4 Round
All round
Round is dominant to wrinkly.
Cross a homozygous wrinkly with a homozygous wrinkly:
3/4 Round, 1/4 Wrinkly
1/2 Round, 1/2 Wrinkly
3/4 Wrinkly, 1/4 Round
All wrinkly
Tall is dominant to short. What is the genotype of a homozygous tall?
TT
Tt
tt
ss
Tall is dominant to short. What is the genotype of a heterozygous tall?
TT
Tt
tt
ss
Tall is dominant to short. What is the genotype of a homozygous short?
TT
Tt
tt
ss
Tall is dominant to short.
Cross a heterozygous tall with a heterozygous tall.
3/4 tall, 1/4 short
1/2 tall, 1/2 short
3/4 short, 1/4 tall
all short
Tall is dominant to short.
Cross a heterozygous tall with a homozygous tall.
3/4 tall, 1/4 short
1/2 tall, 1/2 short
3/4 short, 1/4 tall
all tall
Tall is dominant to short.
Cross a heterozygous tall with a homozygous short.
3/4 tall, 1/4 short
1/2 tall, 1/2 short
3/4 short, 1/4 tall
all tall
Tall is dominant to short.
Cross a homozygous tall with a homozygous short.
3/4 tall, 1/4 short
1/2 tall, 1/2 short
3/4 short, 1/4 tall
all tall
Tall is dominant to short.
Cross a homozygous tall with a homozygous tall.
3/4 tall, 1/4 short
1/2 tall, 1/2 short
3/4 short, 1/4 tall
all tall
Tall is dominant to short.
Cross a homozygous short with a homozygous short .
3/4 tall, 1/4 short
1/2 tall, 1/2 short
3/4 short, 1/4 tall
all short
Purple is dominant to white.
What letters will be used in the genotype?
P and p
P and w
W and w
Green Pod is dominant to yellow pod.
What letters will be used in the genotype?
G and g
Y and y
G and y
Green pods are dominant to yellow pods. Purple is dominant to white.
Match the phenotypes to their genotypes:
Het Green Pod
Gg
Het Purple
Pp
Hom Green Pod
GG
Hom white
pp
Hom Yellow pod
gg
Yellow peas are dominant to green peas. Axial is dominant to terminal.
Match the phenotypes to their genotypes:
Het Axial
Aa
Het Yellow pea
Yy
Hom Green pea
yy
Hom Yellow pea
YY
Hom terminal
aa
