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WorksheetsOST: Heredity
Total questions: 90
Worksheet time: 4hrs 48mins
According to the Punnett Square, what is the percent probability that the parents will have heterozygous children.
100%
50%
25%
0%
The passing of physical characteristics from parents to offspring.
hybrid
heredity
reviewing
purchasing
A= Long Lashes
a= Short Lashes
According to the Punnett Square, what is the probability that the offspring will have have long lashes?
100%
75%
50%
25%
nucleus
chromosomes
genes
DNA
Heredity is the passing of traits from _____________________ to _____________________
predators to prey
water to rain
parents to offspring
fungi to protists
Crossing over in organisms is responsible for...?
Dominance of genes
Recombination of genes
Linkage
Segregation of alleles
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
ATG TGA CAG
TAC ACT GTC
GTA AGT GAC
CAT TCA CTG
Which of the following best describes a DNA molecule?
double helix
contains ribose
made of amino acids
contains Uracil
In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of
cytosine
guanine
thymine
uracil
Which 2 molecules form the sides (backbone) of the DNA ladder?
deoxyribose sugar and adenine
deoxyribose sugar and a hydrogen bond
deoxyribose sugar and the nucleus
deoxyribose sugar and phosphate
Why is it crucial that living things are able to replicate their DNA?
Each cell must have its own DNA
Less copies of DNA are needed when a new cell is created
A cell needs multiple copies of DNA
Only muscle cells need DNA
What are the three components of a nucleotide?
sugar, hydrogen, nitrogen base
sugar, oxygen, nitrogen base
sugar, phosphate, nitrogen base
sugar, phosphate, protein
If this is an autosomal recessive inheritance, which of the following would be true statements about carriers of this trait?
In generation 1, person 1 is a carrier, but 2 would not have to be a carrier.
In generation III, both 1 and 2 have to be carriers.
In generation II, 1, 3, and 4 have to be carriers.
In generation IV, 2,3 and 4 must be carriers.
How is this trait inherited?
autosomal dominant
autosomal recessive
x-linked dominant
x-linked recessive
Looking at this karyotype, what atypical chromosome grouping do you observe?
lack of a y chromosome
trisomy 13 (3 copies of 13)
just a typical girl
just a typical boy
Looking at this karyotype, what atypical chromosome grouping do you observe?
This is a male without a y chromosome.
This is a female without a second X chromosome.
Nothing atypical
What is an autosome?
automobile built for one person
chromosome that does not determine gender
chromosome that does determine gender
a plant because they do photosynthesis
Which of these statements is true?
Humans have the highest number of chromosomes among mammals.
All mammals have the same number of chromosomes.
Different species have a different number of chromosomes.
More than one choice is true.
In a cross between a white, terminal (recessive) and red, axial (dominant), what is the probability of a red, axial offspring?
1/16
3/16
9/16
16/16
In a cross between a white (recessive) and red (dominant), what is the probability of a pink offspring?
0%
25%
50%
75%
100%
Identify which of the following descriptions about dominance are correct
Incomplete dominance involves the homozygous dominant and heterozygous looking the same.
Incomplete dominance involves the heterozygous offspring resulting in an intermediate between the two dominant traits.
Codominance involves the heterozygous offspring resulting in an intermediate between the two dominant traits
Codominance involves the homozygous dominant and heterozygous looking the same.
The inherited combination of alleles is called the ______
genotype
phenotype
chromosome
DNA
An organism's inherited appearance is called _______.
genotype
phenotype
chromosome
DNA
Different forms of a single gene are called a(n) _________.
gene
chromosome
allele
genotype
Purple flowers are dominant to white flowers. What would the phenotype for a flower with genotype pp be?
purple
white
pink
yellow
Purple flowers are dominant to white flowers. What would the phenotype for a flower with genotype Pp be?
purple
white
pink
yellow
If a gene has dissimilar pairs of alelles for any hereditary characteristic it is called
homozygous
heterozygous
codominant
dominant
TRUE OR FALSE: Segments of DNA that carry hereditary instructions and are passed from parent to offspring and are located on the chromosomes are called alleles.
True
False
TRUE OR FALSE: A genotype of mm would be homozygous recessive.
True
False
B = brown eyes
b = blue eyes
What is true about these two brothers that have brown eyes?
One has genotype BB the other Bb.
they have same phenotype and genotype
they have different genotypes and phenotypes
they have same phenotype but different genotypes
they have same genotype but different phenotypes
Look at the following partial Punnett square for the widow's peak trait. Which of the following can be concluded about the genotype of each parent?
One parent is heterozygous, the other parent is homozygous recessive.
Both parents are homozygous dominant.
One parent is homozygous dominant; the other parent is heterozygous.
Both parents are homozygous recessive.
A characteristic that an organism can pass on to its offspring through its genes is called ____________________.
Gene
Chromosome
Trait
Genetics
A segment of DNA on a chromosome that codes for a specific trait is called __________________________.
Gene
Chromosome
DNA
Double Helix
An alternative form (different version) of a gene is called an ________________________________.
Trait
Dominant
Recessive
Allele
Two identical alleles for a trait
Homosapien
Heterogeneous
Heterozygous
Homozygous
Which of the following is NOT common to both mitosis and meiosis?
The DNA in the chromosomes is duplicated.
The cells divide into equally sized halves.
There is a reduction in the number of chromosomes in daughter cells.
The chromosomes align themselves at opposite ends of the cells.
The genetic code is the set of instructions that translates genetic material into proteins. This code defines how sequences of three nucleotides specify which amino acid will be added next during protein synthesis. Each sequence of three nucleotides is called —
a protein
a codon
a DNA molecule
a mutagen
During division, the code for the protein cytochrome-C had the code for proline changed to the code for leucine. This type of change in the genetic material is known as a –
point mutation
chromosomal mutation
redundant mutation
frameshift mutation
Which of the following shows a mutation that does not change the shape or the chemical nature of the protein so that it still functions normally?
UCC to GAC
UCC to UAA
UCC to UGC
UCA to AGC
The diagram below shows a section of DNA undergoing the transcription process. The purpose of transcription is to create —
a sequence of RNA bases that organizes a sequence of DNA bases.
a sequence of DNA bases that deletes a sequence of RNA bases.
a sequence of RNA bases that complements a sequence of DNA bases.
a sequence of DNA bases that duplicates a sequence of RNA bases
In humans blood type is determined by the A, B, and O alleles. The A and B alleles are codominant to each other and dominant over the O allele. An individual with the AO genotype and an individual with the BO genotype can produce offspring with which of the following phenotypes?
O only
A or B only
A, B, or O only
A, B, AB, or O
A sequence of a DNA template strand is shown below.
3’ TCC AAT GGC TTA TTT GCA 5’
Which of these is the correct amino acid chain produced from the DNA template strand
Arginine - Leucine - Proline - Asparagine - Lysine - Arginine
Tryptophan - Phenylalanine - Leucine - Glycine - Asparagine - Phenylalanine
Serine - Leucine - Proline - Asparagine - Lysine - Arginine
Tryptophan - Phenylalanine - Leucine - Glycine - Asparagine - Serine
The Himalayan rabbit’s habitat has cold, snowy winters and mild summers. The body is typically covered in white fur except for the nose, feet, tail, and ears, which are covered in black fur. A scientist shaved an area of white fur on the back of a Himalayan rabbit and placed an ice pack over the shaved area. The shaved area grew black fur. Which of these bests explains why the hair that grew back where the ice pack was placed was black and not white?
The genes for black hair were activated by specific temperatures.
The white hair mutated to black hair as the rabbit’s body temperature decreased.
The coat color changed from white to black with the age of the rabbit.
White hair only grows during certain times of the year.
Students are given data from an investigation that identified some of the chemical elements present in four different samples.
Which sample was most likely DNA?
Sample 1
Sample 2
Sample 3
Sample 4
A certain mutation in the gene for hemoglobin results in the red blood cells becoming sticky, rigid, and irregularly shaped. These irregularly shaped red blood cells block the flow of blood throughout the body. A single base mutation is responsible for these irregularly shaped blood cells.
Which of these mutations most likely results in the mutated hemoglobin gene?
insertion
deletion
duplication
substitution
Which part of a DNA molecule is responsible for the direct coding of specific traits in an organism?
The number of hydrogen bonds that hold the strands of DNA together.
The number of carbons in the DNA molecule.
The sequence of nucleotide bases in the DNA molecule.
The sequences of phosphates along each DNA strand.
mRNA codon AAA codes for which amino acid
ASPARAGINE
LYSINE
SERINE
ARGININE
WHAT IS #3 (ITS CARRYING AND AMINO ACID)
T RNA
M RNA
R RNA
Which of the following is NOT common to both mitosis and meiosis?
The DNA in the chromosomes is duplicated.
The cells divide into equally sized halves.
There is a reduction in the number of chromosomes in daughter cells.
The chromosomes align themselves at opposite ends of the cells.
The process by which the genetic code of DNA is copied into a strand of RNA is called
translation
transcription
transformation
replication
What is the correct order to make a protein?
Protein, DNA, RNA
RNA, DNA, Protein
DNA, RNA, Protein
Protein, RNA, DNA
RNA has what base that is instead of thymine?
guanine
adenine
thymine
uracil
What is the building block of the biomolecule, Nucleic Acid?
A polypeptide is a sequence of ____________________ held together by a ______________ bond.
amino acids; peptide
fatty acids; ionic
proteins; hydrogen
fatty acids; covalent
What is the order for Protein Synthesis?
Transcription -> Translation -> Protein
Translation - > Transcription -> Protein
Protein -> Transcription -> Translation
Translation -> Protein -> Transcription
Which genes in this picture are linked?
A and C
B and C
A and B
none of them
What process does this show?
independent assortment
polyploidy
chromosome map
crossing over
Which genes will have the greatest chance of being separated during crossing over?
B and C
A and B
C and D
D and A
Given the crossover frequency of each of the following genes, construct a chromosome map.
Gene Frequency of Crossover
A-C 30%
B-C 45%
B-D 40%
A-D 25%
A - B - C - D
B - D - A - C
B - A - D - C
C - A - D - B
On a pedigree, this symbol represents a ----
not affected male.
not affected female.
affected male.
affected female.
How many individuals are there in the 3rd generation?
1
2
4
6
How are individuals III-2 and II-4 related?
Brother and sister
Dad and daughter
Uncle and niece
Grandfather and granddaughter
On this pedigree, the allele for curly hair is dominant. The couple labeled 2 both have curly hair, but have a daughter who does not have curly hair. Therefore, we can tell from the chart that for the couple labeled 2 -
the male is heterozygous and the female is heterozygous.
the male is homozygous recessive and the female is homozygous dominant.
To discover whether an animal showing the dominant trait is homozygous or heterozygous, it must be crossed with an animal that is:
homozygous dominant
homozygous recessive
heterozygous
choices B & C
Mutated: A U U U G G C C
What kind of mutation occurred?
A mutation in the third base of a codon for the amino acid Proline (Pro) will always be a silent mutation. Which of the following pieces of information best supports this claim?
Proline is always made from the same 3 bases
As long as the first two bases on the mRNA codon are both C, it will always code for proline; regardless of the 3rd base
Proline is a stop codon, so it isn't actually an amino acid and therefore cannot be mutated
Proline has evolved to become resistant to harmful mutations
AGA-TTC-ATA-GCG
Mutant-
AGA-TTC-AAT-AGC-G
ATTGAGCC - Mutated
The example above is an example of a
This is the practice of producing a genetically identical cell or organism
Cloning
Gel Electrophoresis
Genetic Engineering
DNA Fingerprinting
Which suspect left the blood stain?
Bob
Sue
John
Lisa
The laboratory process that makes many copies of DNA
PCR
Electrophoresis
Gene Therapy
Which process separates segments of DNA based on its size and produces a DNA fingerprint
Gel Electrophoresis
Cloning
Human Genome Project
Hybridization
Which suspect likely committed the crime?
suspect 1
suspect 2
suspect 3
None of them
The copying process by which a cell duplicates its DNA.
Translation
Transcription
Gene Regulation
Replication
What controls the organs and tissues that develop in various parts of the embryo?
mRNA
Hox Genes
Histones
DNA Polymerse
When part of a chromosome becomes oriented in the REVERSE of its usual direction.
Deletion
Inversion
Duplication
Mutation
When part of one chromosome breaks off and attaches to another one.
Translocation
Translation
Deletion
Inversion
