1.
Using a punnett square, cross two heterozygous brown mice(Bb) and calculate the probability of having a homozygous recessive offspring
A
25%
B
50%
C
75%
2.
Using a punnett square, cross a homozygous dominant brown mouse with a homozygous recessive white mouse. Calculate the probability of having a homozygous recessive offspring.
A
25%
B
0%
C
50%
3.
Using a punnett square, cross two heterozygous brown mice and calculate the probability of having a heterozygous offspring
A
50%
B
25%
C
75%
4.
Using a punnett square, cross two heterozygous brown mice and calculate the probability of having a homozygous dominant offspring
A
75%
B
25%
C
50%
5.
Using a punnett square, cross a homozygous white rabbit with a homozygous brown rabbit and calculate the probability of having a homozygous recessive offspring. White is dominant to brown.
A
100%
B
50%
C
0%
6.
A heterozygous brown (Bb) eyed male marries a homozygous blue (bb) eyed female. What is the gentotypic ratio of the offspring?
A
3:1
B
1:1
C
1:1:1:1
7.
A heterozygous bay colored horse (Bb) is crossed to a homozygous recessive palomino (bb). Use a punnett square to calculate the probability of having an offspring that is bay colored.
A
50%
B
0%
C
25%
8.
What is the genotypic ratio that results from a cross from two heterozygotes
A
1:1
B
1:2:1
C
2:2:2:2
9.
What is the phenotypic ratio that results from a cross from two heterozygotes?
A
1:1
B
1:1:1:1
C
3:1
10.
What is the genotypic ratio that results from a cross with one Heterozygote and a homozygous recessive individual?
A
1:2:1
B
3:1
C
1:1
11.
What is the phenotypic ratio that results from a cross with one Heterozygote and a homozygous dominant individual?
