WorksheetsLC Biology Genetics Quiz
Total questions: 59
Worksheet time: 56mins
Identify this definition
a group of organisms capable of interbreeding to produce fertile offspring
population
species
Identify this definition
variations that are not inherited by genetics, they are learned
Acquired variations
inherited variations
Identify this definition
variations controlled by genes
Acquired variations
Inherited variations
Identify this definition
a section of DNA that causes the production of a protein
non coding DNA
gene
Identify this definition
the way the information in a gene is decoded in the cell and used to make a protein
Transcription
Translation
expression
The sugar present in DNA
Ribose
Deoxyribose
Which base is not present in DNA
Adenine
Thymine
Guanine
cytosine
Uracil
Which base is not present in RNA
Adenine
Thymine
Guanine
cytosine
Uracil
Which one is shorter
DNA
RNA
Which one is self replicating
DNA
RNA
Which of the following is a structural difference between DNA and RNA
self replicating vs not self replicating
their location
DNA has a double strand RNA has a single strand
In which of the following locations in the cell is DNA not found?
nucleus
ribosome
mitochrondria
chloroplast
Identify this definition
the copying of a sequence of genetic bases from DNA onto messenger RNA (mRNA)
Transcription
Translation
Identify this definition
is the conversion of a sequence of bases on mRNA into a sequence of amino acids
Transcription
Translation
How many types of RNA are on your course
2
3
4
Where would you find rRNA and tRNA together?
nucleus
mitochondria
ribosome
Down syndrome is caused by
a gene or point mutation
a chromosome mutation
Identify this definition
The artificial manipulation or altering of genes
gene expression
DNA profiling
genetic engineering
Identify the definition
enzymes that cut DNA is specific places
DNA ligase
restriction enzymes
Sheep producing milk containing the human clotting factor for haemophiliacs is
a plant application of GE
an animal application of GE
a bacterial application of GE
The four butterflies represent the F1 generation. Which statement best represents the phenotypes of this generation?
All the butterflies are males
Two of the offspring will not be able to reproduce
The F1 generation is the result of a dihybrid cross
Two of the butterflies will have mutations
A female that is homozygous recessive (aa) mates with a male that is heterozygous (Aa). Which circle graph shoes the genotype probability of the offspring?
F: 50% aa and 50% Aa
G: 25% aa; 25% AA; 50% Aa
H: 100% Aa
J: 100% aa
In the above dihybrid cross, what is the probablity that the offspring will be homozygous recessive for both traits?
4/16
16/16
1/16
8/16
The diagram show the processes of both meiosis and mitosis. The segregation that occrus during meiosis results in-
A decrease in the total numbers of cells per organism
reduction in the number of chromosomes per cell
single fertilized egg cells
groups of genetically identical cells
Crossing over between nonsitster chromatids during meiosis is significant in heredity. This process most likely leads to an increase in which of the following?
Dominant Traits
Number of gametes
Polyploidy
Genetic Variation
Human body cells each have 46 chromosomes in their nuclei. Meiosis is necessary in order to ensure that each gamete produced in the human body has-
12 chromosomes
23 chromosomes
46 chromosomes
92 chromosomes
Gametes produced by an organism contain a combination of genes from that organism. In every gamete, this combination is
The same because it is created from the same DNA
the same because chromosomes are copied prior to meiosis
different due to DNA replication
different due to independent assortment and crossing over during meiosis
Which is an example of a homozygous genotype?
TTaa
AATt
AaTT
AaTt
Which is an example of a heterozygous genotype?
AATT
aaTT
AAtt
AaTt
Suppose that in sheep, a dominant allele (B) produce black hair and a recessive allele (b) produce white hair. If you saw a black sheep, you would be able to identify
its phenotype for hair color
its genotype for hair color
the genotype of only one of its parents
the phenotype of both of its parents
The pedigree of a family with a history of a particular genetic disease is shown below. Squares represent males and circles represent females. Shaded symbols represent those who have the disease.
If Individual 2 were to marry a woman with no family history of the disease, which of the following would most likely be true of their children?
All of the children would have the disease.
None of the children would have the disease
Only the sons would have the disease
All of the sons would be carriers of the disease
In animals, traits determine by the mitochondrial DNA are inherited from the _______________.
mother
brother
father
sister
Describe why a male is more likely to be affected by a sex-linked trait?
Males have only 1 Y chromosome
Females have only 1 Y chromosome
Males have only 1 X chromosome
Females have only 1 X chromosomes
A gene is
a section of DNA
a chemical found in the nucleus of cells
contains instructions for building a protein
all of the above
A nucleotide consists of
DNA
adenine and thymine
A phosphate, sugar and nitrogenous base
genes
In a DNA molecule, nucleotides are linked together to make up a single strand of DNA then bonded to a second strand. This structure is known as a
RNA
double helix
watson-crick
double nucleotide
In a double strand of DNA, the nitrogen bases only pair in a certain combination. Which combination is correct?
A-C and T-G
C-T and A-G
A-T and G-C
A-A C-C
A stand of DNA contains the following bases AGCTATAC
What would be the bases on the complementary strand?
AGCTATAC
TCGATATG
TGCTTATG
CTAGCGCT
the direct manipulation of an organism's genes
allele
dominant trait
gene
characteristic
genetic engineering
a tool used to predict the results of a genetic cross
hybrid
phenotype
purebred
Punnett Square
recessive trait
