In a punnet square where are the parent alleles written?
Top and inside the boxes
Only on the left and right side of the boxes.
outside of the boxes (top and left side)
All on the top side of the boxes
2. Multiple Choice
1.5 minutes
1 pt
Each one of the boxes on the Punnett Square represents what probability of an offsprings' genotype?
25%
1%
10%
0%
3. Multiple Choice
5 minutes
1 pt
Aa, DD, bB, yy are all examples of
genotypes
phenotypes
4. Multiple Choice
1 minute
1 pt
AA and Aa always show up as
dominant
recessive
5. Multiple Choice
1 minute
1 pt
In a flowering plant species, red flower color (R) is dominant over white flower color (r). What is the genotype of any red-flowering plant resulting from this species?
rr
R
RR
RR or Rr
6. Multiple Choice
1 minute
1 pt
T - tall and t = short In the punnett square below, what belongs in the missing square
tt
Tt
Bb
TT
7. Multiple Choice
1 minute
1 pt
aa always shows up as
dominant
recessive
8. Multiple Choice
30 seconds
1 pt
What is the phenotype of the offspring? (A-Brown hair; a-blond hair)
50 % Brown Hair and 50% Blond Hair
25 % Brown Hair and 75% Blond Hair
75 % Brown Hair and 25% Blond Hair
0% Brown Hair and 100% Blond Hair
9. Multiple Choice
1 minute
1 pt
A green pea plant (GG) is being crossed with a green pea plant (Gg). What is the phenotype?
100 % rainbow
50% yellow and 50% green
100% green
100% yellow
10. Multiple Choice
30 seconds
1 pt
How many alleles (letters) do each person carry for a trait?
1
2
3
4
11. Multiple Choice
5 minutes
1 pt
AA and Aa always show up as
dominant
recessive
12. Multiple Choice
1 minute
1 pt
Aa is
homozygous
heterozygous
13. Multiple Choice
1 minute
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
14. Multiple Choice
1 minute
1 pt
In a flowering plant species, red flower color (R) is dominant over white flower color (r). What is the genotype of any red-flowering plant resulting from this species?
rr
R
RR
RR or Rr
15. Multiple Choice
30 seconds
1 pt
Which of the characteristics is a lion least likely to pass on to its offspring?
fur color
length of tail
scars on leg
body size
16. Multiple Choice
1 minute
1 pt
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
17. Multiple Choice
30 seconds
1 pt
Heterozygous is when...
the alleles are the same
the alleles are different
the alleles are absent
the alleles are present
18. Multiple Choice
30 seconds
1 pt
In a heterozygous genotype, the ___________ allele takes over in the phenotype.
recessive
dominant
lower case letter
both
19. Multiple Choice
3 minutes
1 pt
Which of the following alleles is homozygous (purebred) recessive?
Tt
tt
TT
t
20. Multiple Choice
5 minutes
1 pt
Dominant alleles are represented by a:
Male gene
lowercase letter
recessive trait
capital letter
21. Multiple Choice
30 seconds
1 pt
Dominant or recessive? tt
Dominant
Recessive
22. Multiple Choice
30 seconds
1 pt
Dominant or recessive? Dd
Dominant
recessive
neither
homozygous
23. Multiple Choice
30 seconds
1 pt
What should students use to identify the percent chance of a trait being passed down from a parent to its offspring?
a graph
a flow chart
a data table
a Punnett square
24. Multiple Choice
1 minute
1 pt
B = brown fur b = white fur In the punnett square, what is the probability for white fur?
0%
25%
50%
75%
25. Multiple Choice
30 seconds
1 pt
In the punnett square shown, what is the genotypes of the two parents?