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WorksheetsRevision
Total questions: 40
Worksheet time: 51mins
Name
Class
Date
1.
How many individuals are there in the 3rd generation?
a)
2
b)
3
c)
4
d)
6
2.
What percentage of the offspring will have this recessive disease?
a)
0%
b)
25%
c)
50%
d)
75%
3.
What percentage of the female offspring will be a carrier for this recessive disease?
a)
0%
b)
50%
c)
100%
d)
25%
4.
This pedigree shows the inheritance of colorblindness.
What is the genotype for individual IV-1?
What is the genotype for individual IV-1?
a)
XBXB
b)
XbXb
c)
XBY
d)
XbY
5.
An individual who carries one allele of a recessive trait, but does not express the trait
a)
trait
b)
carrier
c)
gene
d)
sex linked
6.
a table or list showing the line of ancestors of a person or animal.
a)
punnett square
b)
pedigree
c)
family tree
d)
genetic chart
7.
In the second generation-how many people are carriers of the trait?
a)
2
b)
3
c)
5
d)
6
8.
DNA molecule segment is : TTACGCAAG
The mutated DNA segment is TTCGCAAG. This is an example of ______ mutation.
The mutated DNA segment is TTCGCAAG. This is an example of ______ mutation.
a)
Substitution
b)
Deletion
c)
Insertion
d)
Inversion
9.
A frameshift mutation could result from
a)
a base insertion only.
b)
a base deletion only.
c)
a base substitution only.
d)
either an insertion or a deletion of a base.
10.
What type of chromosomal mutation is this?
a)
Inversion
b)
Translocation
c)
Deletion
d)
Duplication
11.
Mutations are only passed on to offspring when they happen in
a)
somatic cells
b)
gamete cells
c)
prokaryotic cells
d)
the mitochondria
12.
The following karyotype illustrates an example of which syndrome?
a)
Turner's Syndrome
b)
Klienfelter's Syndrome
c)
Edward's Syndrome
d)
Down Syndrome
13.
Based on these results whose blood was found in the blood stain at the crime scene?
a)
Bob
b)
Sue
c)
John
d)
Lisa
14.
Which man is the father of child #2 (5th Band)?
a)
Mother (1st Band)
b)
Male #1 (2nd Band)
c)
Male #2 (3rd Band)
d)
Child #1 (4th Band)
15.
Non disjunction of chromosomes occurs during
?
?
a)
Meiosis
b)
Mitosis
c)
Replication
16.
What is the central dogma of biology?
a)
Proteins are made from RNA that assembles amino acids through DNA ribosomes.
b)
RNA copies all information for an organism onto DNA which assembles ribosomes, and creates amino acids from proteins
c)
DNA is the blueprint for an organism. RNA copies specific sections that need to be built and transfers that information to a ribosome which assembles proteins out of amino acids.
d)
RNA is the blueprint for an organism. It copies its information onto DNA, which takes amino acids (like lego building blocks) and assembles those acids into proteins.
17.
Two heterozygous (Tt)tall pea plants are crossed. Which describes their offspring?
a)
50% tall and 50% short
b)
75%tall and 25% short
c)
100%short
18.
R=round seed
r=wrinkled seed.
Cross a homozygous round with a wrinkled. Which statement predicts the results?
r=wrinkled seed.
Cross a homozygous round with a wrinkled. Which statement predicts the results?
a)
offspring will be Rr
b)
offspring will be RR
c)
round seeds will be recessive to wrinkled
d)
Wrinkled will be observed in half of offspring
19.
Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?
a)
0 %
b)
25%
c)
50%
d)
75%
20.
Colorblindness is a recessive, X chromosome sex-link disorder. Cross the parents to figure out which percentage of their offspring will be colorblind.
a)
25%
b)
0%
c)
75%
d)
50%
21.
In fruit flies eye color is carried on the X chromosome. RED is dominant to WHITE. What is the sex and color of the following: XrY
a)
female red
b)
female white
c)
male red
d)
male white
22.
In gel electrophoresis, the largest DNA fragment will appear
a)
closest to the starting wells
b)
farthest from the starting wells
c)
three quarters away from the starting wells
d)
it depends on how many fragments there are
23.
Which suspect is linked to the crime scene by this DNA analysis
a)
Suspect A
b)
Suspect C
c)
Suspect D
d)
Suspect B
24.
Shannon does not know who her father is. There are three possibilities: Jack, Daniel and Bill. Who is the father?
a)
Jack
b)
Daniel
c)
Bill
25.
How many amino acids are coded for by this sequence of nucleotides:
ATG GGA ACT CCA
ATG GGA ACT CCA
a)
4
b)
2
c)
6
d)
12
26.
If the percentage of DNA is made of 30% Thymine, what is the correct percentage of Guanine?
a)
30
b)
15
c)
20
d)
60
27.
bb crossed with BB, what is the probability of Bb?
a)
0%
b)
25%
c)
50%
d)
100%
28.
How many children did individuals I-1 and I-2 have?
a)
2
b)
4
c)
6
d)
8
29.
Human eggs and sperm are _____, and each has ____ chromosomes.
a)
diploid, 23
b)
diploid, 46
c)
haploid, 23
d)
haploid, 46
30.
A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?
a)
Incomplete Dominance
b)
Co dominance
c)
Independent assortment
d)
Recessive inheritance
31.
A red flowered plant (RR) breeds with a White flowered plant (WW). The gene for petal color in these plants expresses incomplete dominance. What percentage of the offspring will have pink (RW) flowers?
a)
0%
b)
25%
c)
50%
d)
100%
32.
What is the phenotype of the offspring? (A-Brown hair; a-blond hair)
a)
50 % Brown Hair and 50% Blond Hair
b)
25 % Brown Hair and 75% Blond Hair
c)
75 % Brown Hair and 25% Blond Hair
d)
0% Brown Hair and 100% Blond Hair
33.
A red flower (Rr) is crossed with a white flower (rr). What is the genotype?
a)
0 RR; 0 Rr: 4 rr
b)
2 RR; 0 Rr: 2 rr
c)
4 RR; 0 Rr: 0 rr
d)
0 RR; 2 Rr: 2 rr
34.
Hemophilia is a x-linked disorder. A woman is a carrier for the disorder. Which is the correct genotype?
a)
Hh
b)
XHXh
c)
hh
d)
XhXh
35.
Snap dragon color is a incomplete dominant trait. A red flower (RR) is crossed with white flower (rr)? What color are flowers that are Rr?
a)
Red
b)
Red and White
c)
White
d)
Pink
36.
According to the fingerprint, who committed the crime?
a)
Suspect 1
b)
Suspect 2
c)
Suspect 3
37.
What is the purpose of karyotyping?
a)
solve crimes
b)
determine abonormalities
c)
identify if a relationship exist between two people
d)
determine physical characteristics
38.
This exam can show problems with the developing baby's genes and chromosomes. It is done by testing the amnio-chorionic membrane.
a)
Chorionic Villi Sampling
b)
Ultrasound
c)
Amniocentesis
d)
Pelvic exam
39.
What genetic disorder causes the body to produce unusually thick mucus in the lungs and intestines?
a)
Cystic Fibrosis
b)
Sickle Cell
c)
Down Syndrome
d)
Hemophilia
40.
This type of mutation occurs when the DNA change alters a single amino acid in the polypeptide chain
a)
silent
b)
missense
c)
nonsense
d)
6th sense
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