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WorksheetsReporting Category 2 Quiz - Genetics
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
Which of the following sets of nitrogenous bases would be classified as pyrimidines?
a)
Adenine, Guanine, Thymine
b)
Cytosine, Thymine, Uracil
c)
Cytosine, Guanine, Adenine
d)
Uracil, Guanine, Thymine
2.
A diagram of the DNA double helix is provided.
Which of the following components of DNA is indicated by the arrow?
Which of the following components of DNA is indicated by the arrow?
a)
Hydrogen bond
b)
Sugar-phosphate backbone
c)
Guanine-Cytosine
d)
Adenine-Thymine
3.
Which of the following best explains the universal nature of the genetic code?
a)
All
genetic coding is based on the same components: thymine, cytosine, adenine,
and guanine.
b)
All
organisms have the same number of genes in each of their paired strands of
chromosomes.
c)
A
mutation that appears in the genetic code of one organism will eventually
spread to all living things.
d)
Genes
coding for specific adaptations are always found in the same location—in the
chromosome of all organisms.
4.
Which of the following represents the best description for the structure of DNA?
a)
A double
helix structure that consists of two polynucleotide chains
b)
A
five carbon sugar found as part of the structural components of a nucleotide
c)
A
structure containing information about the external environment of a cell
d)
All
of the possible forms of a gene that can occur in an individual
5.
The process of DNA fingerprinting allows scientists to study organisms by doing which of the following?
a)
Analyzing
DNA left behind in the oily residue of fingerprints
b)
Making
images of sequences of DNA from individual organisms
c)
Breaking
open an individual’s cells to release the DNA fragments
d)
Matching
of base sequences in the DNA sample with that of finger cells
6.
The gene for tallness (T) in a pea plant is dominant over the gene for shortness (t). In a cross between two heterozygous parent pea plants, we can predict that what percentage of the offspring will be tall?
a)
100%
b)
50%
c)
75%
d)
25%
7.
Which of the following is the most complete and accurate description of mutation?
a)
Three adjacent nitrogen bases of mRNA that code
for an amino acid
b)
The process of matching anticodon sequences in
tRNA to mRNA codons
c)
A spontaneous change in DNA that may lead to
cellular malfunction
d)
A biomolecule composed of amino acids connected
by peptide bonds
8.
Which of the following is the best explanation of the process of translation?
a)
An mRNA strand is copied from the original DNA
sequence.
b)
Amino acids are placed in order to build a
protein.
c)
A piece of DNA is moved along the chromosome.
d)
DNA is changed due to a mistake or environmental
factor.
9.
Which of the following models best represents a portion of the process of transcription?
a)
A
b)
B
c)
C
d)
D
10.
Which statement best describes the significance of meiosis to sexual reproduction?
a)
It produces haploid gametes, with half the number of
chromosomes.
b)
It creates organisms with better adaptability to the
environment.
c)
It allows all types of cells to produce two sets of
identical chromosomes.
d)
It produces up to eight diploid
cells, each with the same number of chromosomes.
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