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13 questions
Punnett Square #1
In plants tall is dominant to short.
Cross two heterozygous plants.
What is the genotypic ratio?
1:2:1
2:2
3:1
Punnett Square #1
In plants tall is dominant to short.
Cross two heterozygous plants.
What is the phenotypic ratio?
1:2:1
2:2
3:1
Punnett Square #2
In plants tall is dominant to short.
Cross one homozygous dominant with one homozygous recessive plant.
What is the phenotypic ratio?
1:2:1
2:2
4
Punnett Square #2
In plants tall is dominant to short.
Cross one homozygous dominant with one homozygous recessive plant.
What is the genotypic ratio?
1:2:1
2:2
4
Punnett Square #3
In plants tall is dominant to short.
Cross one homozygous dominant with one heterozygous dominant plant.
What is the genotypic ratio?
1:2:1
2:2
4
Punnett Square #3
In plants tall is dominant to short.
Cross one homozygous dominant with one heterozygous dominant plant.
What is the phenotypic ratio?
1:2:1
2:2
4
3:1
Punnett Square #4
In plants tall is dominant to short.
Cross one heterozygous dominant with one heterozygous dominant plant.
What is the phenotypic ratio?
1:2:1
2:2
4
3:1
Punnett Square #4
In plants tall is dominant to short.
Cross one heterozygous dominant with one heterozygous dominant plant.
What is the genotypic ratio?
1:2:1
2:2
4
3:1
Which of the choices is heterozygous?
BB
Bb
bb
Which of the choices is homozygous recessive?
BB
Bb
bb
Which of the choices is homozygous dominant?
BB
Bb
bb
Which of the choices are dominant? (there may be more than one)
BB
Bb
bb
Which of the choices is recessive?
BB
Bb
bb
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