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20 seconds
1 pt
If T=Tall & t=short, what is the genotypic ratio?
1:3
3:1
1:2:1
2:2
Multiple Choice
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2 minutes
1 pt
B = brown fur b = white fur In the Punnett square, what is the probability for white fur?
0%
25%
50%
75%
Multiple Choice
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20 seconds
1 pt
In the Punnett square shown, what must the genotype of the missing parent be?
BB
Bb
bb
Tt
Multiple Choice
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20 seconds
1 pt
A heterozygous yellow pea plant's genotype would be:
YY
yy
Yy
Yg
Multiple Choice
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2 minutes
1 pt
B - black, b - brown. Two black mice mate and have some black and some brown mice. What is the genotype of the parents?
BB x Bb
BB x bb
Bb x Bb
Bb x bb
Multiple Choice
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20 seconds
1 pt
What ratio of the offspring from the cross shown will be homozygous recessive for the trait of tallness?
0 in 4
1 in 4
2 in 4
4 in 4
Multiple Choice
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20 seconds
1 pt
What are the possible genotypesfor this cross? (Click the picture to see it without the text)
TT = 25% Tt= 50% tt=25%
all tall
TT= 75% tt = 25%
Tt = 100%
Multiple Choice
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2 minutes
1 pt
In the Punnett square shown, what must the genotype of the missing parent be?
BB
Bb
bb
Tt
Multiple Choice
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2 minutes
1 pt
B = brown fur b = white fur In the Punnett square, what is the probability for white fur?
0%
25%
50%
75%
Multiple Choice
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20 seconds
1 pt
In a certain species of plant, the color purple (P) is dominant to the color white (p). According to the Punnett Square, what is the probability of an offspring being white?
25%
0%
100%
50%
Multiple Choice
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20 seconds
1 pt
Purple (P) is dominant to the white (p). According to the Punnett Square, what is the probability of an offspring being purple?
25%
0%
100%
50%
Multiple Choice
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20 seconds
1 pt
What is the yellow seed genotype?
aa
Aa
AA
AA or Aa
Multiple Choice
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20 seconds
1 pt
What is the dominant trait?
yellow pea seeds
green pea seeds
there is no dominant seed
Jolly green giant
Multiple Choice
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20 seconds
1 pt
What is the genotypic ratio here?
25% blue eye 75 % brown eye
BB = 25% Bb = 50% bb = 25%
BB= 50 % bb = 50%
All brown eye
Multiple Choice
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20 seconds
1 pt
What does a Punnett Square do?
tell you exactly what your offspring will look like
increase the chance you pass on recessive traits
predict genotypes and phenotypes in offspring
have no purpose but for Taylor to give us extra assignments
Multiple Choice
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20 seconds
1 pt
What genotype would go in box 2?
BB
Bb
bb
Multiple Choice
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2 minutes
1 pt
What genotype would go in box 3?
BB
Bb
bb
Multiple Choice
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2 minutes
1 pt
What genotype would go in box 1?
BB
Bb
bb
Multiple Choice
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30 seconds
1 pt
Which of the following is homozygous dominant?
Jj
Rr
MM
ee
Multiple Choice
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