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WorksheetsHeredity Review
Total questions: 65
Worksheet time: 1hrs 15mins
Each organism has 2 alleles for a particular trait. Where do these two alleles come from?
One from each parent
Both from one parent
Alleles do not come from parents
The kidney
The brown eye trait is dominant over blue eyes. Which of the following genotypes best represents the phenotype for blue eyes?
BB
Bb
bb
bB
What is the genotype for #15?
rr
Rr
RR
rR
An organism’s physical appearance of visible traits is a _____________.
Genotype
Phenotype
Homozygous
Heterozygous
The different forms of a gene.
Genes
Allele
Phenotype
Pedigree
Two parents have type O blood. What will the blood type of their children be?
O
They can have all four types of blood
Either A or O
AB
Two pea plants are crossed that are heterozygous for both height and flower color. Tall is dominant to short and purple is dominant to white. What is the phenotypic ratio of the offsprings.
9:3:3:1
10:2:2:2
5:4:4:3
6:6:2:2
Autosomal chromosomes are
Mutated Chromosomes
The sex chromosomes (X or Y)
Chromsome pairs 1-22
Inherited only from Dad
When more than two versions of a gene for a particular trait exist in the human population, it is a ____________________ trait.
sex-linked
codominant
simple dominance
multiple allele
A gene that is found on the X or Y chromosome is called a(n)
codominant gene
autosomal gene
somatic gene
sex-linked gene
What inheritance pattern is demonstrated in this image?
Codominance
Incomplete Dominance
Simple Dominance
Epistasis
A woman is heterozygous for blood type A and a male is homozygous for blood type B- what blood types are possible in their children?
A, B, AB, and O
A, B, and AB
AB and B
Just B
A chart that displays family relationships indicating traits or disorders
Punnett square
Pedigree
Karyotype chart
In a pedigree chart, men are represented by
Circles
Diamonds
Squares
In a pedigree, individuals that are affected are represented as shapes that are
Not shaded
Fully shaded
Half shaded
Individuals that are shaded in have premature hair whitening. Is this trait dominant or recessive? How do you know?
Dominant because it skips generations
Dominant because it is present in every generation
Recessive because it skips generations
Recessive because it is present in every generation.
When an organism has two of the SAME alleles for a trait
Phenotype
Genotype
Homozygous
Heterozygous
The likelihood of an event
Homozygous
Genotype
Probability
Heterozygous
What mutation has occurred here?
T-G-A-C-C-A
T-G-A-G-C-A
Substitution
Deletion
Insertion
Frameshift
DNA molecule segment is : TTACGCAAG
The mutated DNA segment is TTCGCAAG. This is an example of ___ mutation.
Substitution
Deletion
Insertion
Inversion
Mutations that change a single base pair, usually involving a substitution of one base for another:
chromosomal mutation
polyploidy
translocation
point mutation
Which Genetic syndrome can we observe in this karyotype?
Turner
Klinefelter's
Down
Edward's
What is the gender of this person?
Male
Female
By looking at the chromosomes how can you tell that this person is biologically female?
Because there are two X chromosomes
Because there are more chromosomes than in a male
The probability that a human sperm cel will carry an X chromosome is
25%
50%
75%
100%
_______ is a full set of our genetic information
X-Linked Gene
Sex Chromosome
Autosomes
Human Genome
What disease is caused by a dominant allele?
PKU
Huntington's Disease
Tay Sachs Disease
All of the above
_____ is the failure of chromosomes to separate during meiosis
Nondisjunction
X chromosome Inactivation
Human Genome
Sex linked gene
What genetic disorder is shown in the karyotype?
Turner's Syndrome
Downs Syndrome
Klinefelter's Syndrome
None of the above
This laboratory procedure is known as
CLONING
gel electrophoresis
chromatography
use of a dichotomous key
Which organelle is the location where protein is made?
Ribosome
Nucleus
Cytoplasm
Nucleotide
During transcription, this type of ribonucleic acid is responsible for copying the DNA and brining it out of the nucleus.
tRNA
mRNA
rRNA
dRNA
When these bond together, they form a protein
Amino Acids
Peptide Bonds
Ribose
Nucleotides
How many amino acids are found on one tRNA?
20
4
1
3
Which of the following is the complementary mRNA sequence to this DNA strand: AACTGAA
UUGACUU
TTGACTT
AACTGAA
AACUGAA
There are 3 types of RNA. What are they? (Select all that apply)
tRNA
rRNA
mRNA
xRNA
This image shows a picture of a ribosome - what type of RNA is this?
rRNA
mRNA
tRNA
What do we call the shape a DNA molecule takes?
double-stranded
double helix
sugar-phosphate backbone
pentagon
Which of the following tells the Ribosome to START?
AUG
UGG
UGA
UCA
GAT-TAC-AGA-TTA-CAT?
What is protein synthesis?
the taking apart of proteins
the making of proteins
the making of RNA
the making of DNA
After the mRNA is formed, what happens?
It moves out of the nucleus and into the cytoplasm.
It binds permanently with DNA molecule.
It disassembles and the process repeats.
It moves out of the nucleus and then out of the cell.
How is mRNA read?
Three bases at a time.
A complete strand at a time.
Three strands at a time.
One base at a time.
A circular, round, carrier molecule of DNA that allows the gene of interest to be copied is best known as a....
What is being produced in this diagram?
Bacterial Cell
Human Cell
Bacterial Plasmid (DNA)
Recombinant DNA
What macromolecule is directly involved with bioengineering?
RNA
Proteins
Carbohydrates
DNA
