genetics punnett square problems created by peggy lenz
TRANSCRIPT
![Page 2: Genetics Punnett Square Problems Created by Peggy Lenz](https://reader035.vdocuments.mx/reader035/viewer/2022072007/56649d355503460f94a0cc88/html5/thumbnails/2.jpg)
Gray fur is dominant in mice over white. A purebred gray mouse is crossed with a hybrid female. What color fur may their offspring have?
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KEY
G:
P:
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KEY
GGGggg
G:1/2 GG, 1/2 Gg
P: 4/4 gray fur
G= gray
g=white
gG
G
G GG
GG
Gg
Gg
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Aliens from Saturn usually have 3 eyes. A female with 2 eyes is crossed with a purebred, dominant 3 eyed male. Will any offspring have only 2 eyes?
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KEY
G:
P:
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KEY
EEEeee
G:4/4 Ee
P: 4/4 will have 3 eyes
E=3 eyes
e=2 eyes
ee
E
E Ee
Ee
Ee
Ee
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The dominant gene S produces seeds in tomato plants. Two plants both heterozygous are crossed. Will any any of the fruit contain no seeds?
![Page 9: Genetics Punnett Square Problems Created by Peggy Lenz](https://reader035.vdocuments.mx/reader035/viewer/2022072007/56649d355503460f94a0cc88/html5/thumbnails/9.jpg)
KEY
G:
P:
![Page 10: Genetics Punnett Square Problems Created by Peggy Lenz](https://reader035.vdocuments.mx/reader035/viewer/2022072007/56649d355503460f94a0cc88/html5/thumbnails/10.jpg)
KEY
SSSsss
G:1/4 SS, 2/4 Ss, 1/4 ss
P: 3/4 seeds, 1/4 no seeds
S= seeds
s= no seeds
sS
s
S SS
Ss
Ss
ss
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INCOMPLETE DOMINANCE
A long tailed cat has a genotype of LL. A Manx cat with no tail has genotype NN. A short-tailed cat has genotype LN. A female Manx cat mates with a male short-tailed cat.
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KEY
G:
P:
![Page 13: Genetics Punnett Square Problems Created by Peggy Lenz](https://reader035.vdocuments.mx/reader035/viewer/2022072007/56649d355503460f94a0cc88/html5/thumbnails/13.jpg)
KEY
LLNNLN
Could any of their kittens have long tails?
LL=long
NN=no
LN=short
NN
N
L LN
NN
LN
NN
![Page 14: Genetics Punnett Square Problems Created by Peggy Lenz](https://reader035.vdocuments.mx/reader035/viewer/2022072007/56649d355503460f94a0cc88/html5/thumbnails/14.jpg)