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DNA & Intro to Heredity

Total questions: 87

Worksheet time: 44mins

Name
Class
Date
1.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
2.
Adenine bonds with ______________.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
3.
Any change in the sequence of DNA is...
a)
transgenic shift
b)
Single Genotype
c)
Monohybrid Trait
d)
Mutation
4.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
ribosome
d)
nucleus
5.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy
6.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
7.

What would be the complementary DNA strand of:

AAG CTG

(a)  

8.

Proteins are made of _____.

a)

Nitrogen bases

b)

Amino Acids

c)

Ribosomes

9.

The sides of DNA is made up of...

a)

sugar and phosphate molecules

b)

nitrogen bases

10.

The rungs of DNA is made up of...

a)

sugar and phosphate molecules

b)

nitrogen bases

11.

A ____ is a section of DNA that codes for a specific protein.

a)

chromosome

b)

gene

c)

trait

12.

True/False: Each individual organism has a unique set of DNA.

a)

True

b)

False

13.

DNA is found in all of your cells in your body except...

a)

white blood cells

b)

red blood cells

c)

skin cells

d)

heart cells

14.

True/False: The order of bases in DNA can not be switched around.

a)

True

b)

False

15.

What is the result of DNA replication?

a)

Different DNA strands

b)

Identical DNA strands

c)

Half of the DNA strand

16.

What type of mutation changes one base?

a)

Substitution

b)

Insertion

c)

Deletion

17.

What type of mutation adds one base?

a)

Substitution

b)

Deletion

c)

Insertion

18.

What type of mutation removes one base?

a)

Deletion

b)

Insertion

c)

Substitution

19.

When do mutations typically occur?

a)

During DNA replication.

b)

During protein synthesis.

c)

A mutation can occur any time.

20.

True/False: Mutations can only be harmful.

a)

True

b)

False

21.

It is a ____ mutation when it reduces an organism's ability to survive.

a)

harmful

b)

helpful

c)

neutral

22.

It is a ____ mutation when it increases an organism's ability to survive.

a)

harmful

b)

helpful

c)

neutral

23.

It is a ____ mutation when it doesn't effect an organism's ability to survive.

a)

harmful

b)

helpful

c)

neutral

24.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
25.
A strand of DNA that looks like a twisted ladder is called a _____________________
a)
triple twist
b)
corkscrew
c)
double helix
d)
chain reaction
26.

Why is DNA important?

a)

It teleports cookies to my locker.

b)

It carries the instructions for our cells.

c)

It allows me to be invisible.

d)

It gave us a snow day in August.

27.

Insertion, deletion, and substitution are all examples of a change in a genetic sequence which is also referred to as (a)

a)

Gene

b)

Amino Acid

c)

Ribose

d)

Mutation

28.
In DNA, Adenine pairs with ___________. 
a)
Guanine
b)
Cytosine
c)
Thymine
d)
Uracil
29.

DNA holds the code for making

a)

lipids

b)

carbohydrates

c)

proteins

d)

sugars

30.

How many nucleotide bases make up a code for an amino acid?

a)

3

b)

2

c)

5

d)

4

31.
TT: Heterozygous or Homozygous?
a)
Heterozygous
b)
Homozygous
32.
Ff: Heterozygous or Homozygous?
a)
Heterozygous
b)
Homozygous
33.
Which of the following has the same meaning as Heterozygous?
a)
Hybrid
b)
Purebred
c)
Homozygous
34.
Which of the following has the same meaning as Homozygous?
a)
Hybrid
b)
Purebred
c)
Heterozygous
35.
What is the physical appearance or visible traits?
a)
phenotype
b)
genotype
36.
What is the genetic makeup, or alleles? (Mm)
a)
phenotype
b)
genotype
37.
gg: Heterozygous or Homozygous
a)
Heterozygous
b)
Homozygous
38.
What is this called?
a)
Lattice Square
b)
Punnett Square
c)
Mendelian Square
d)
Polygon Square
39.
Which color is dominant?
a)
yellow
b)
green
40.
Which color is recessive?
a)
yellow
b)
green
41.
Which of the following has the same meaning as hybrid?
a)
homozygous
b)
heterozygous
c)
purebred
42.
Which of the following has the same meaning as purebred?
a)
homozygous
b)
heterozygous
c)
hybrid
43.

Which of the following genotypes is heterozygous?

a)

TT

b)

Tt

c)

tt

44.
Which of the following genotypes is homozygous?
a)
TT
b)
Tt
c)
Th
d)
Nn
45.
When an organism has two identical alleles (HH) for a trait it is called...
a)
homozygous
b)
heterozygous
46.
Which type of inheritance is shown in this punnett square?
a)
incomplete dominance
b)
codominance
c)
multiple alleles
d)
polygenic inheritance
47.
Which type of inheritance is shown by this punnett square?
a)
incomplete dominance
b)
codominance
c)
multiple alleles
d)
polygenic inheritance
48.
Which type of inheritance depends on more than one gene to affect a trait?
a)
incomplete dominance
b)
codominance
c)
multiple alleles
d)
polygenic inheritance
49.
Which type of inheritance has three or more alleles determine a trait?
a)
incomplete dominance
b)
codominance
c)
multiple alleles
d)
polygenic inheritance
50.
Which of the following is an example of an inherited trait?
a)
dyed hair
b)
speaking Spanish
c)
freckles
d)
callus on finger
51.
Which of the following is an example of an acquired trait?
a)
freckles
b)
dimples
c)
height
d)
dyed hair
52.
True/False: The environment cannot influence the way genes are expressed.
a)
True
b)
False
53.

True/False: Changes in body cells can be passed to offspring.

a)

True

b)

False

54.
Human height is an example of which type of inheritance?
a)
incomplete dominance
b)
codominance
c)
multiple alleles
d)
polygenic inheritance
55.
Which type of inheritance has both genes expressed equally?
a)
incomplete dominance
b)
codominance
c)
multiple alleles
d)
polygenic inheritance
56.
Which type of inheritance is only one allele partially dominant?
a)
incomplete dominance
b)
codominance
c)
multiple alleles
d)
polygenic inheritance
57.
What percentage of pea plants are yellow?
a)
25%
b)
50%
c)
75%
d)
100%
58.
Which eye color is dominant?
a)
Brown
b)
Blue
59.
Which genotype represents the recessive eye color?
a)
BB
b)
Bb
c)
bb
60.
What percentage of this cross will result in blue eyes?
a)
25%
b)
50%
c)
75%
d)
100%
61.
Which eye color is recessive?
a)
Brown
b)
Blue
62.
What percentage of this cross will result in brown eyes?
a)
25%
b)
50%
c)
75%
d)
100%
63.
What genotype will go in the last square?
a)
TT
b)
Tt
c)
tt
64.
What is the name of the man who discovered genetics?
a)
Robert Hooke
b)
Albert Einstein 
c)
Gregor Mendel
d)
Isaac Newton
65.
What does a punnett square show?
a)
all possible outcomes of a genetic cross
b)
only the dominant alleles in a genetic cross
c)
only the recessive alleles in a genetic cross
d)
all of Mendel's discoveries about genetics
66.
If tall (T) is the dominant allele, what would be the phenotype of Tt?
a)
tall
b)
short
67.
The passing of traits from parent to offspring 
a)
Heredity 
b)
Genetics 
c)
Hybrid 
d)
Probability 
68.
The study of heredity and the variation of inherited characteristics 
a)
gene
b)
genetics 
c)
meiosis 
d)
hybrid 
69.

What is a phenotype?

a)

The genetic make up (code)

b)

The physical trait

70.

Which of the following genotypes is homozygous dominant?

a)

A

b)

Aa

c)

aa

d)

AA

71.

Which of the following genotypes is heterozygous?

a)

bb

b)

BB

c)

Bb

d)

B

72.

An example of a homozygous recessive gene is

a)

dd

b)

Dd

c)

DD

d)

DAB

73.

If two alleles are the same for a certain trait they are considered

a)

Homozygous

b)

Twins

c)

Heterozygous

d)

Common

74.
How many alleles (letters) do each person carry for a trait?
a)
1
b)
2
c)
3
d)
4
75.
How many alleles (letters) does a child get from each parent for each trait?
a)
1
b)
2
c)
3
d)
4
76.
Purple flowers are dominant to white flowers. Which represents purebred white flowers?
a)
ff
b)
FF
c)
Ff
d)
fF
77.
This is a specific form of a gene, like green peas versus yellow peas.
a)
allele
b)
recessive
c)
dominant
78.
In mice, black fur is dominant over white fur.
Which letters would represent the purebred white parent's alleles?
a)
BB
b)
Bb
c)
bb
d)
bB
79.
In mice, black fur is dominant over white fur.
Which letters would represent the purebred black parent's alleles?
a)
BB
b)
Bb
c)
bb
d)
bB
80.
In mice, black fur is dominant over white fur.
Which letters would represent the hybrid parent's alleles?
a)
BB
b)
Bb
c)
bb
81.

What does this Punnett square and the probabilities of the ofspring represent?

a)

incomplete dominance

b)

codominance

82.

According to the Punnett Square- What genotype represents a red flower?

a)

RR

b)

Rr

c)

rr

83.

According to the Punnett Square- What genotype represents a white flower?

a)

RR

b)

Rr

c)

rr

84.

According to the Punnett Square- What genotype represents a pink flower?

a)

RR

b)

Rr

c)

rr

85.

According to the Punnett Square- What is the probability of producing a white flower

a)

100%

b)

50%

c)

25%

86.

According to the Punnett Square- What is the probability of producing a pink flower

a)

100%

b)

50%

c)

25%

87.

What are the phenotype of the parents?

a)

Both red

b)

Both pink

c)

Red and Pink

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