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WorksheetsSOL Review - BIO.5 DNA & Genetics
Total questions: 85
Worksheet time: 3hrs 50mins
How does DNA replicate/copy itself?
Carefully
Semiconservatively
Mitosis
Xerox
What are the four bases of DNA?
Adenine
Thymine
Guanine
Cytosine
What did Rosalind Franklin contribute to the history of DNA?
She made a model of DNA
She used X-ray crystallography to take a photograph of DNA
She died of cancer at 37
She stole the photo of DNA
Who are James Watson and Francis Crick?
They are relatives of Sherlock Holmes and John Watson
Were thieves
Built the first accurate model of DNA
Story characters
Homozygous are shown by
same alleles like a and a = aa
same alleles like A and A = AA
are different alleles like A and a
Genotype is
the genetic makeup
the trait you see
a gene
the type of gene
phenotype is
the genetic makeup
the trait you see
a photograph
is a type of pheno
Punnett Squares are used for what?
Determine the chances of traits of offspring
Multiplication
Determine alleles and how to pair them up
To show squares within a square
Homozygous is
identical alleles
different alleles
letters
numbers
Heterozygous is
identical alleles
different alleles
letters
numbers
What is the percentage of homozygous recessive traits?
25%
50%
75%
100%
What is the probability of the offspring showing the dominant trait?
25%
50%
75%
100%
What is the chance of the offspring being heterozygous?
25%
50%
75%
100%
A ___________________ is part of the DNA code on a chromosome.
gene
phenotype
genotype
gender
1. Which of these is a recessive genetic disorder?
Down syndrome
type O blood
type AB blood
cystic fibrosis
1. Which of the following is NOT part of a chromosome?
proteins
deoxyribonucleic acid
cell
DNA
1. Which of the following is NOT one of the nitrogen bases that form the rungs of the ladder in DNA?
adenine
francine
cytosine
guanine
Which of the following is NOT a type of RNA?
messenger RNA
ribosomal RNA
transfer RNA
translational RNA
Which of the following is NOT an external cause of mutation?
exposure to X-rays
exposure to neon light
exposure to ultraviolet light
exposure to radioactive materials
Mutations cause changes in _____.
protons
electrons
proteins
neutrons
The sides of the helix labeled as A are made of _______________________ groups.
sugar-phosphate
nitrogen
nucleotide
protein
The _________________________ is labeled as C and shows a base, a sugar, and a phosphate group.
sugar-phosphate
nitrogen
nucleotide
protein
Describe the figure
The figure shows that chromosomes are made of coiled strands of DNA.
The figure shows a telephone cord.
The figure shows an X chromosome.
The figure shows the anatomy of a worm.
Explain what is happening in the figure. What is this process called?
Transcription
Translation
Mutation
Perception
The factor that covers up another factor is a?
Recessive gene
not the best one
allele
dominant factor
An Example of an inherited trait would be?
My favorite color is Orange.
My favorite animal is a bird
I have Hazel eyes
I am really strong
An organism that received different alleles for a trait from each parent?
Dominant
Recessive
Hybrid
Proteins
Strands of DNA that are twisted together are called?
alleles
chromatin
chromosomes
genes
The human body cells have what number of chromosomes?
23 chromosomes
46, or 23 pairs of chromosomes
too many to count
72 chromosomes
What was Rosalind Franklin's contribution to the understanding of genetics?
Discovery of mutations
Rabbit DNA
X-ray photographs of DNA
Dominant and recessive traits
When a DNA sequence is copied, sometimes mistakes occur in the new strand of DNA. This is known as a ?
alleles
dominant trait
recessive trait
mutation
The nitrogenour base pairs are?
Adenine-Thymine and Cytosine-Guanine
Adenine-Cytosine and Thymine-Guanine
Adenine-Protein and Thymine-fats
Thymine pairs with Cytosine
The genotype for a yellow plant is...
What is the phenotype for Tt?
ATG TGA CAG
_ _ _ _ _ _ _ _ _
w= non-white hair
If you cross a horse with WW and a horse with ww what fraction of the offspring would be expected to have white hair?
BB/bb
White fur
You receive a whole copy of DNA from your mother and your father.
True
False
Choose the correct matching strand of DNA to:
ATTCATGAG
TAAGTACTC
TATGTATTC
GCCTGATAT
TATCTACTC
The process of "halving" an organism's chromosomes in reproduction is called _______.
Meiosis
Mitosis
Mitochondria
Making New DNA
What are the three components of a nucleotide?
phosphate group, sugar, nitrogen base
phospate group, water, nitrogen base
glycerol, sugar, nitrogen base
adenine, thymine, cytosine
The chances of something happening is called -
dominant
genotype
phenotype
probability
This person used X-rays to capture the first image of the DNA double helix.
Benjamin Franklin
Rosalind Franklin
James Watson
Francis Crick
These were the two scientists awarded the Nobel Prize for their 3D model of the DNA double helix.
Franklin & Wilkins
Watson & Crick
Darwin & Wallace
Mendel & Pea
The allele for blue eyes (b) is recessive and the allele for brown eyes (B) is dominant. What is the genotype for someone who has blue eyes?
BB
Bb
bb
What is the central dogma of biology
RNA --> DNA --> PROTEIN
Protein --> RNA --> DNA
DNA--> RNA --> Protein
DNA --> Protein --> RNA
Dimples are dominant to no dimples. Cross two heterozygous people with dimples. Genotypic ratio?
3 dimples : 1 no dimples
1 DD : 2 Dd : 1 dd
1 dimples : 1 no dimples
3 Dd : 1 dd
In tomatoes red fruit is dominant to yellow fruit and long vines are dominant to short vines. Cross a plant homozygous for yellow fruit and long vines with a heterozygous red fruit, long-vined plant. Chances of getting a yellow, tall vined plant?
50%
25%
100%
12.5%
Polled (hornless) cattle are dominant over horned cattle. Occasionally, cows birth horned calves. If a farmer only has polled cattle, why are horned calves still born?
he has bad fences so other bulls mate with his cows
his cattle are heterozygous for the polled trait
horned cattle are the result of a random mutation
his bull has horns
A normal man and woman have an albino child. The woman is pregnant with their second child, what is the chance they have another albino child?
25%
75%
50%
100%
A man sues his wife for infidelity. She has type A blood and her child has type O blood. What would his blood type have to be for him to win his court case?
AB
heterozygous B
heterozygous A
o
In the jungle, a certain bird species is either blue, red, or purple if heterozygous. Blue is dominant to red. What is the genotypic ratio of the cross of two purple birds?
1 FF : 2 Ff : 1 ff
1 blue : 2 purple : 1 red
3 blue : 1 red
all Ff
A man is heterozygous for type B blood and his wife has type AB blood. What is the percent chance their child has type A blood?
25%
0%
50%
75%
A normal vision female has a child with a normal vision male and their daughter is born color-blind. The man accuses her of cheating on him! Could this child actually be his?
yes, because the wife is a carrier
cheater!
yes, colorblindness is a dominant trait
no, the daughter got a recessive allele from her father
What is the genotype of individual II - 1?
AA
Aa
aa
impossible to tell
If individual #11 gets married and has a child with a heterozygous woman, what is the % chance their child has the same genotype as the father?
25%
50%
75%
impossible to tell
