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Unit 7 Quiz 2 Punnett Squares (InClass)

Total questions: 25

Worksheet time: 28mins

Name
Class
Date
1.

What is the likelihood that the offspring will be green (G)?

a)

25%

b)

50%

c)

75%

d)

100%

2.

Dominant alleles are represented by a:

a)

capital letter

b)

lowercase letter

3.
What allele combination should go in the missing box?
a)
AA
b)
Aa
c)
aa
d)
none of these
4.

AA and Aa will both show up as ___________________ traits.

a)

dominant

b)

recessive

5.

Each one of the boxes on the Punnett Square represents what percentage?

a)

25%

b)

1%

c)

10%

d)

0%

6.

What is the likelihood that the offspring will be yellow?

a)

0%

b)

25%

c)

50%

d)

75%

7.
Which characteristic is inherited?
a)
hair color
b)
sleeping late
c)
enjoying hiking
d)
loving to read
8.

Traits are passed on from one living thing to another through

a)

DNA

b)

blood

c)

minerals

d)

calories

9.

What is the likelihood that the offspring will be yellow (g)?

a)

25%

b)

50%

c)

75%

d)

100%

10.

What is the likelihood that the offspring will be green?

a)

0%

b)

25%

c)

50%

d)

75%

11.

What is the likelihood that the offspring will have brown eyes (B)?

a)

0%

b)

100%

12.

What is the probability that the offspring will have blue eyes?

a)

25%

b)

50%

c)

75%

d)

100%

13.

If b stands for blue, what is the percentage that the offspring will have blue eyes?

a)

35%

b)

50%

c)

65%

d)

100%

14.

Which trait is dominant?

a)

purple

b)

white

15.

A tall plant (TT) is crossed with a short plant (tt). All of the offspring will be ____________.

a)

tall

b)

short

16.

A tall pine tree (Tt) is crossed with a tall pine tree (Tt). What is the likelihood that an offspring could be short?

a)

0%

b)

25%

c)

50%

d)

75%

17.

A tall pine tree (Tt) is crossed with a tall pine tree (Tt). What is the likelihood that an offspring would be tall?

a)

0%

b)

25%

c)

50%

d)

75%

18.

Round seeds are dominant (R). Wrinkled seeds are recessive (r). What is the likelihood that this offspring is round (R)?

a)

0%

b)

25%

c)

50%

d)

75%

19.

Round seeds are dominant (R). Wrinkled seeds are recessive (r). What is the likelihood that this offspring is wrinkled (r)?

a)

0%

b)

25%

c)

50%

d)

75%

20.

Why is DNA important?

a)

it is very small and very complicated

b)

it's in everything that's not alive

c)

it serves as the blueprint for traits of all living things

d)

because we eat it every day for energy

21.
What is the probability of heterozygous offspring?
a)
25%
b)
50%
c)
0%
d)
100%
22.
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?
a)
rr
b)
R
c)
RR
d)
RR or Rr
23.
What is the phenotype of the offspring? (A-Brown hair; a-blond hair) 
a)
50 % Brown Hair and 50% Blond Hair 
b)
25 % Brown Hair and 75% Blond Hair 
c)
75 % Brown Hair and 25% Blond Hair 
d)
0% Brown Hair and 100% Blond Hair 
24.
Heterozygous is when...
a)
the alleles are the same
b)
the alleles are different
c)
the alleles are absent
d)
the alleles are present
25.
Aa, DD, bB, yy are all examples of
a)
genotypes
b)
phenotypes