In pea plants, the tall allele is dominant to the short allele. What key would demonstrate this?
Tall = T Short = S
Tall = T Short = t
Tall = t Short = T
Tall = TT Short = tt
2. Multiple Choice
30 seconds
1 pt
A heterozygous long-tusked elephant is crossed with a homozygous recessive short-tusked elephant. What is the probability of the offspring having short tusks?
0%
25%
50%
75%
3. Multiple Choice
45 seconds
1 pt
A heterozygous long-tusked elephant is crossed with a homozygous recessive short-tusked elephant. What is the probability of the offspring having short tusks?
0%
25%
50%
75%
4. Multiple Choice
45 seconds
1 pt
What is the probability of a purple-horned unicorn if a heterozygous pink-horned unicorn is crossed with a heterozygous pink-horned unicorn?
0%
25%
50%
75%
5. Multiple Choice
3 minutes
1 pt
Georgette wants to breed her pet phoenixes, but she isn't sure if the babies will burst into blue flames or red flames. Her documents show that her female phoenix is homozygous dominant for red flames, while her male phoenix is homozygous recessive for blue flames. What color flames will the babies have?
Red
Blue
Purple
50% Red, 50% Blue
6. Multiple Choice
45 seconds
1 pt
Leonardo bet his friend Olivet that two heterozygous green-eyed sea monsters could not have a recessive blue-eyed baby sea monster. Olivet said they can have a blue-eyed sea monster. Who wins the bet?
Leonardo
Olivet
Both
Neither
7. Multiple Choice
5 minutes
1 pt
A brown-furred ewok has 12 babies with a black-furred ewok. 9 ewok babies have black fur, while 3 ewok babies have brown fur. What are the probable genotypes of the parents?
BB and bb
BB and Bb
Bb and Bb
Bb and bb
8. Multiple Choice
2 minutes
1 pt
Jabba the Hutt has finally decided to settle down and have a family. He has undergone genetic testing and learned that he is heterozygous for Hutt Fungal Syndrome, which is caused by recessive alleles. He is worried that his children might suffer from this syndrome. His Hutt mate has undergone genetic testing and discovered she is homozygous dominant for the syndrome. Should Jabba be worried?
Yes
No
9. Multiple Choice
2 minutes
1 pt
A Jawa notices that his beloved pet desert rat, who has brown fur, just had several rat babies, some of which had white fur and some which had brown fur. Brown fur is the dominant trait. This means his rat must have what genotype?
Homozygous Dominant
Heterozygous
Homozygous Recessive
10. Multiple Choice
30 seconds
1 pt
Identify the homozygous dominant genotype:
FF
Ff
ff
11. Multiple Choice
3 minutes
1 pt
Bob the abominable snowman lives in the snowy Andes mountains. He has white fur, which blends in nicely. He is therefore dismayed when his mate keeps having red-furred babies. What is Bob's likely genotype?
Homozygous Dominant
Heterozygous
Homozygous Recessive
12. Multiple Choice
1 minute
1 pt
What phenotype would result from crossing a homozygous dominant purple-flowered pea plant with a homozygous recessive white-flowered pea plant?