WorksheetsUnit 8 Genetics Test
Total questions: 35
Worksheet time: 18mins
Name
Class
Date
1.
First Name
4 lines
2.
Last Name
4 lines
3.
Use Chargaff's Rule to find out what the % of Adenine will be, if Thymine is 12% and Cytosine is 38%
a)
12%
b)
38%
4.
True or False: Chargaff's rule states: Adenine pairs with Cytosine and Thymine pairs with Guanine.
a)
True
b)
False
5.
True or False: One way to check the % of nitrogen bases by using Chargaff's rule is to add all the nitrogen bases % up and if that is correct they will equal 100%.
a)
True
b)
False
6.
Choose the two of the people below that are giving credit for discovering the correct model of DNA.
a)
James Watson
b)
Francis Crick
c)
Albert Einstein
d)
Benjamin Franklin
7.
True or False: The structure of RNA is single stranded.
a)
True
b)
False
8.
Choose the following three parts of a nucleotide.
a)
Deoxyribose
b)
Phosphate
c)
Nitrogen base
d)
Gene
e)
DNA
9.
Choose whether the following structure is DNA or RNA.
a)
DNA because it is doubled stranded
b)
DNA because it has ribose sugar
10.
Choose the best word that describes DNA.
a)
Blueprint
b)
Jail Cell
c)
Fence
d)
Powerhouse
11.
True or False: The main purpose of DNA replication is to make sure that every cell will have the exact copy of DNA for the new cells.
a)
True
b)
False
12.
DNA is copied in the ______phase of Interphase.
a)
S
b)
G1
c)
G2
d)
H
13.
Choose the following word that unzips DNA during replication.
a)
Enzyme
b)
Uracil
c)
DNA
d)
Gene
14.
How many individual chromosomes does each normal human cell have?
a)
46
b)
23
c)
96
d)
49
15.
What is the final outcome of DNA replication?
a)
2 identical DNA strands
b)
4 cells with 1/2 DNA
c)
Protein production
d)
2 Identical cells
16.
True or False: The main purpose of Protein Synthesis is to make proteins.
a)
True
b)
False
17.
Choose the following that links together to make proteins.
a)
Amino Acids
b)
Nucleic Acids
c)
Pyruvic Acid
d)
Hydrochloric Acid
18.
How many strand(s) does RNA have?
a)
1
b)
2
19.
Where is mRNA made at in the cell?
a)
Nucleus
b)
Mitochondria
c)
Endoplasmic Reticulum
d)
Chloroplast
20.
Which type of RNA carries the correct Amino Acid to make the correct sequences to create a protein?
a)
tRNA
b)
mRNA
c)
rRNA
d)
zRNA
21.
What is the term that refers to any physical or chemical agent that changes the DNA sequence?
a)
Gene
b)
DNA
c)
Mutagen
d)
Protein
22.
What does the notation TT mean to geneticists?
a)
two dominant alleles
b)
two recessive alleles
c)
one dominant allele and one recessive allele
d)
at least one recessive allele
23.
If a homozygous black guinea pig (BB) is crossed with a homozygous white guinea pig (bb), what is the probability that an offspring will have black fur which is dominant?
a)
25%
b)
50%
c)
75%
d)
100%
24.
An organism’s physical appearance is its
a)
genotype
b)
phenotype
c)
codominance
d)
heterozygous
25.
Where does protein synthesis take place?
a)
in the ribosomes in the nucleus of the cell
b)
on the ribosomes in the cytoplasm of the cell
c)
in the chromosomes in the nucleus of the cell
d)
on the chromosomes in the cytoplasm of the cell
26.
An organism's genotype is its
a)
genetic makeup
b)
feather color
c)
physical appearance
d)
stem height
27.
An organism that has two identical alleles for a trait is
a)
phenotype
b)
genotype
c)
homozygous
d)
heterozygous
28.
Choose the following that shows a heterozygous for of a genotype.
a)
TT
b)
Tt
c)
tt
d)
tT
29.
Yes or No: If hair dark hair color is dominant to blonde hair color. is it possible for two dark hair parents to have a blonde hair child.
a)
Yes
b)
No
c)
Maybe
30.
True or False: In a punnett square that has incomplete dominance there will have to be 3 phenotypes instead of 2.
a)
True
b)
False
31.
Codominance in genetics refers to both alleles are expressed. Choose the following types of blood that would represent Type A blood.
a)
BO
b)
AO
c)
AA
d)
OO
32.
The image below show the parent and a offspring of cows. What type of special genetics will this be consider, since both colors are presented in the offspring?
a)
Incomplete Dominance
b)
Codominance
c)
Recessive disorder
d)
Dominant Disorder
33.
The following image is showing incomplete dominance in 4 o'clock flowers. What is the chance of the offspring being white?
a)
0%
b)
25%
c)
50%
d)
75%
e)
100%
34.
Given the following punnett square what would be the dominant trait?
a)
Green Pea Pod
b)
Yellow Pea Pod
35.
What is the term that describes the following Fathers genotype?
a)
Homozygous Dominant
b)
Homozygous Recessive
c)
Heterozygous
100 %
