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WorksheetsUnit 4 Genetics Test Review
Total questions: 32
Worksheet time: 16mins
Who is the Father of Genetics?
Watson
Mendel
Darwin
Franklin
Who created the first model of DNA in 1953 using the discoveries of other scientists?
Hershey & Chase
Tom & Jerry
Watson & Crick
Wilkins & Franklin
Where is DNA located in a Eukaryotic cell?
cytoplasm
cell membrane
nucleus
ribosome
Dominant Traits are represented with....
capital letters
lowercase letters
pairs of letters
baby letters
According to the image, the probability of the offspring being a white flower is...
100%
0%
75%
25%
In base pairing rules of DNA, the amount of
A is equal to G
A is equal to T
T is equal to U
C is equal to T
What type of bond holds the nitrogen bases together in DNA?
covalent
hydrogen
peptide
ionic
The backbone of DNA is made of
bases and phosphates
polypeptides
sugars and phosphates
purines and pyrimidines
During DNA replication, if the template strand is CTAGGT, what is the new complimentary strand?
TGGATC
GATCCA
AGCTTG
GAUCCA
Having 2 different letters like Bb is considered to be
homozygous recessive
homozygous dominant
phenotype
heterozygous
Based on the following Punnett Square what is the probability of the recessive trait?
100%
0%
25%
50%
Long wings (W) is dominant to short wings (w). What is a homozygous recessive genotype?
WW
ww
Ww
wW
Which molecule is responsible for bringing a copy of the DNA to the ribosome, like a messenger?
DNA polymerase
mRNA
tRNA
RNA polymerase
RNA is ______ stranded, while DNA is __________ stranded.
double; single
single; double
single; triple
double; double
If 2 purebred (WW) longwinged fruitflies were to mate what is the percentage offspring would be recessive (ww)?
0%
100%
25%
50%
Messenger RNA is formed during the process of..
translation
transcription
replication
mutation
If the mRNA sequence is CCUGCA, which DNA sequence did it copy?
GGTCGU
GGACGU
GGACGT
CCUGCA
Three bases on mRNA that translate into an amino acid are called
codons
anticodons
What happens during the process of translation?
mRNA is made from DNA
mRNA is read to make proteins
introns are spliced out of DNA
DNA makes a copy of itself
A permanent change in a gene or the genetic code that can be helpful or harmful is a(n)
trait
allele
mutation
gene
If mRNA has the bases UAU, what is the matching tRNA?
UAU
ATA
TUT
AUA
Taking the DNA from one organism and inserting it into another for specific outcomes is
hybrid
genetic engineering
purebred
How many chromosomes can be found in a typical human body cell? (Total Chromosomes)
23
46
2
4
The base pairing rule where A always = T and C always = G is known as..
The anti-parallel rule
Rosalind's Rule
Chargaff's Rule
Watson & Crick's Rule
The scientist that discovered how DNA was shaped like a spiral staircase and died from cancer was...
Watson
Franklin
Crick
Mendel
Which of the following events during meiosis contributes MOST to the variation in species?
pairing of chromosomes
creation of haploids
segregation of alleles
separation of chromatids
An organism's phenotype is the
capital letter representing the dominant trait
genetic coder for a certain characteristic
combination of alleles represented by letters
physical or displayed trait
What type of chromosomal mutation is this?
translocation
inversion
deletion
duplication
True or False: The type of mutation that changes one letter AND the amino acid is called point-silent.
True
False
The following image is an example of...
Codominance
Incomplete Dominance
Complete Dominance
The following image is an example of
Codominance
Incomplete Dominance
Complete Dominance
If the mRNA codon is AAG, then the amino acid would be...
Alanine
Serine
Lysine
Proline
