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WorksheetsQ2-Quiz 2
Total questions: 90
Worksheet time: 2hrs 33mins
Name
Class
Date
1.
What is a gene?
a)
A bundle (like a hot dog bun) that the DNA is packed into
b)
something inside the nucleus
c)
a section of DNA
d)
all of your DNA
2.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
chloroplast
d)
nucleus
3.
A section of DNA that controls a trait
a)
Helix
b)
Nucleus
c)
Chromosome
d)
Gene
4.
DNA stands for
a)
deoxyribonucleic acid
b)
distributivenatural acids
c)
dentalnodes cid
d)
dichlorifiedneutral acids
5.
A sperm cell and an egg cell have ______ the number of chromosomes as a normal body cell:
a)
1/4
b)
all
c)
3/4
d)
1/2
6.
The passing of traits from parents to children is called...
a)
Genetics
b)
Heredity
c)
Offspring inheritance
d)
Traitalism
7.
What is the name of the x-shaped structures that are made of DNA?
a)
Genes
b)
Double Helixes
c)
Chromosomes
d)
Deoxyribonucleic acid x's
8.
What is a phenotype?
a)
The physical appearance; what you can see.
b)
refers to the genetic makeup of an individual
c)
An organism that has the same genes for a trait (ex. TT or tt)
d)
the passing of traits from parent to offspring
9.
An allele whose trait only shows up when no dominant allele is present.
a)
hidden allele
b)
dominant allele
c)
recessive allele
d)
present allele
10.
Having two of the same genes for the trait (sometimes called purebred).
a)
homozygous
b)
hetrozygous
c)
protein
d)
chromosome
11.
Which of the following alleles is homozygous recessive?
a)
Tt
b)
tt
c)
TT
d)
T
12.
Dominant alleles are represented by a:
a)
Male gene
b)
lowercase letter
c)
recessive trait
d)
capital letter
13.
Which of the following is a phenotype?
a)
Aa
b)
red hair
c)
heterozygous
d)
DNA
14.
Which of the following genotypes is heterozygous?
a)
Bb
b)
BB
c)
bb
d)
B
15.
Sex cells are produced through the process of
a)
mitosis
b)
cytokinesis
c)
binary fission
d)
meiosis
16.
What is a hybrid?
a)
Crossing two organisms with different traits
b)
A cool car
c)
A parent
17.
The scientific study of heredity is ____.
a)
Genetics
b)
Punnett squares
c)
Inheritance
d)
Biology
18.
Phenotype refers to an organism's:
a)
genetic code
b)
physical appearance
c)
ratio
d)
parents
19.
If one trait "covers" up another trait, the trait that covers the other is said to be:
a)
Dominant
b)
Heterozygous
c)
Recessive
d)
Hidden
20.
aa always shows up as
a)
dominant
b)
recessive
21.
AA and Aa always show up as
a)
dominant
b)
recessive
22.
The drawing shows the structure of what molecule?
a)
A DNA molecule
b)
A lipid molecule
c)
A carbohydrate molecule
d)
A protein molecule
23.
What part of our cells holds our DNA?
a)
cytoplasm
b)
cell membrane
c)
nucleus
d)
ribosomes
24.
What has DNA?
a)
animals
b)
plants
c)
bacteria
d)
all of the above
25.
Riley inherited certain physical characteristics from her parents. Which of the following is not an inherited characteristic?
a)
blue eyes
b)
wavy, red hair
c)
dimpled cheeks
d)
long fingernails
26.
Which of these choices describes the purpose of a Punnett square?
a)
to diagram family relationships that include several generations
b)
to explain why some genes are dominant and some genes are recessive
c)
to compare inherited traits to acquired traits
d)
to show possible offspring
27.
How many daughter cells are produced in mitosis?
a)
4 new cells
b)
2 new cells
c)
One new cell
d)
none of these
28.
Why do cells undergo meiosis?
a)
to help repair the cell
b)
to produce sex cells: egg and sperm
c)
to help the cell grow
d)
none of these
29.
How many daughter cells are produced in meiosis?
a)
4 daughter cells
b)
none of these
c)
3 daughter cells
d)
2 daughter cells
30.
Meiosis produces ___________ while mitosis produces __________.
a)
Sex cells, body cells
b)
Body cells, sex cells
31.
A female sex cell is called...
a)
Sperm
b)
Egg
32.
What is Mitosis?
a)
Cell division process where a single cell divides twice to produce four cells
b)
Cell division that produces two identical daughter cells
33.
A male sex cell is called...
a)
Egg
b)
Sperm
34.
A male shark has 40 chromosomes in each of its sex cells. How many would be present in its body cells?
a)
20
b)
40
c)
80
d)
160
35.
What process repairs worn out body cells?
a)
diffusion
b)
meiosis
c)
mitosis
d)
absorption
36.
What process produces offspring from only one parent organism?
a)
Fertilization
b)
Germination
c)
Sexual Reproduction
d)
Asexual Reproduction
37.
What advantage do sexual reproduction have over asexual reproduction?
a)
increases fertilization rate
b)
genetic stability
c)
genetic variation
d)
increased reproductive rate
38.
Which of the following produces identical nuclei in cells?
a)
pollination
b)
mitosis
c)
osmosis
d)
fertilization
39.
The sea star will regenerate an arm if needed. What cellular process is directly responsible for this regeneration?
a)
meiosis
b)
transpiration
c)
mitosis
d)
respiration
40.
In Meiosis if the parent cells has 40 chromosomes, then how many will the daughter cells have
a)
40
b)
10
c)
20
d)
18
41.
Reproduction that requires only one parent to pass on identical genetic information; e.g., budding and fission
a)
Asexual/Mitosis
b)
Sexual/Mitosis
c)
Sexual/Meiosis
d)
Asexual/Meiosis
42.
Which of these cells would be produced through meiosis?
a)
skin cells
b)
liver cells
c)
brain cells
d)
sperm cells
43.
Type of reproduction of meiosis
a)
sexual
b)
asexual
44.
Which of the following best describes meiosis?
a)
It is carried out in all tissues that require cell replacement.
b)
It occurs only in cells in the reproductive structures of an organism.
c)
It happens only in prokaryotic cells.
d)
It is the first stage of mitosis.
45.
The end of meiosis results in ________ to each other.
a)
2 cells that are identical
b)
4 cells that are identical
c)
2 cells that are NOT identical
d)
4 cells that are NOT identical
46.
Which is not a source of genetic variation?
a)
independent assortment of chromosomes
b)
cross-over
c)
random fertilization
d)
mitosis
47.
Which process is an example of asexual reproduction?
a)
An amoeba divides in half to form two amoebas
b)
A bee transfers pollen from one flower to another
c)
A female fish deposits eggs on a rock, then a male fish releases sperm on them.
d)
Earthworms exchange sperm.
48.
The offspring from asexually reproduced organisms are?
a)
Different than their parents
b)
Identical to parents
c)
Like a combination from both parents
d)
A different species
49.
A form of reproduction in which an organism results from two organisms and inherits half of the chromosomes from each parent
a)
Sexual Reproduction
b)
Asexual Reproduction
c)
Cloning
d)
Fragmentation
50.
Disadvantages of Asexual Reproduction?
a)
Can get good characteristics
b)
Limited ability to adapt to changing environment
c)
Parent stays in one place
d)
Reproduces quickly
51.
Advantages of Asexual Reproduction?
a)
Can increase in number quickly
b)
Get bad characteristics
c)
Dies easily
d)
Can't adapt quickly
52.
Which of these choices best describes a molecule of DNA?
a)
The bricks that make up a building
b)
A blueprint of a building
c)
The people that live in the building
53.
This type of reproduction gives organisms the ability to increase in number very quickly.
a)
Sexual reproduction
b)
Asexual reproduction
c)
Both types of reproductions
d)
None of the above
54.
This type of reproduction increases genetic diversity.
a)
Sexual reproduction
b)
Asexual reproduction
c)
Both types of reproduction
d)
None of the above
55.
Which of these processes occurs during sexual reproduction but not during asexual reproduction?
a)
mitosis
b)
meiosis
c)
binary fission
d)
fragmentation
56.
Which of these statements correctly compares mitosis and meiosis?
a)
Both mitosis and meiosis are used for repairing cells.
b)
Both mitosis and meiosis produce cells that have the same amount of genetic information as the original cell.
c)
Only mitosis produces cells that have half the amount of genetic information as the original cell.
d)
Only meiosis produces cells that have half the amount of genetic information as the original cell.
57.
Place the following in order from smallest to largest: A) DNA B) gene C) Chromosome
a)
C, B, A
b)
B, A, C
c)
A, C, B
d)
A, B, C
58.
Genes determine whether you have dimples, what color eyes you have, and even your ability to roll your tongue. What is the role of a gene in inheritance?
a)
The gene contains chromosomes that show an organism’s traits.
b)
The gene gets message from its cell about showing certain traits.
c)
The gene has nerves that send messages to the brain controlling specific traits.
d)
The gene is a section of DNA that controls a trait that the organism inherits.
59.
DNA contains genes that provide instructions for inherited traits. What is the relationship between genes and chromosomes?
a)
Genes are segments of DNA that are located on the chromosomes of each cell.
b)
Genes are made up of thousands of chromosomes.
c)
Genes correspond to the phenotype, while chromosomes correspond to the genotype.
d)
Chromosomes correspond to the genotype, while genes correspond to the phenotype.
60.
Which of these situations is an example of asexual reproduction?
a)
Two organisms mat to produce offspring.
b)
Specialized cells divide to produce gametes.
c)
Crossbreeding of plants produces new varieties.
d)
A single-celled organism divides to produce offspring.
61.
This is a difference between sexual and asexual reproduction.
a)
Sexual reproduction occurs only in animals; only plants reproduce asexually.
b)
Sexual reproduction requires two parents; asexual reproduction requires only one parent.
c)
Sexual reproduction involves the division of a single cell; asexual reproduction involves two cells.
d)
Sexual reproduction results in genetically identical offspring; offspring of asexual reproduction is not identical.
62.
Which of these choices best describes a pedigree?
a)
A diagram of family relationships that includes several generations
b)
An illustration that shows the genetic diversity among different species
c)
A hypothesis that explains why genes are recessive or dominant
d)
A diagram that lists alleles of two parents and shows the possible allele combinations of their offspring
63.
What is a Punnett Square used for?
a)
To show recessive traits
b)
To show possible offspring
c)
To show dominant traits
d)
To show homozygous alleles
64.
Which statement about DNA is correct?
a)
A child’s DNA will be unrelated to the mother’s or father’s DNA
b)
A child’s DNA will show similarities to both the mother’s and father’s DNA
c)
A female child’s DNA will exactly match the mother’s DNA
d)
A male child’s DNA will exactly match the father’s DNA
65.
Which two combinations of genotypes are exactly the same?
a)
TT and Tt
b)
tt and Tt
c)
Tt and tT
d)
rR and rr
66.
Which of these shapes illustrates how a model of DNA should look like? (Use the pictures provided to answer this question)
a)
A
b)
B
c)
C
d)
D
67.
Angie wants to match the types of cells with how they are produced. Which choice correctly pairs a type of cell with how it is produced?
a)
Egg cell—meiosis in males
b)
Sperm cell—mitosis in males
c)
Body cell—mitosis in females
d)
Body cell—meiosis in females
68.
A couple has 6 children, all girls. If the mother gives birth to a 7th child, what is the probability that the seventh child will be a girl?
a)
7 out of 7
b)
6 out of 7
c)
1 out of 2
d)
1 out of 7
69.
Are recessive traits shown with capital or lowercase letters?
a)
Capital
b)
Lowercase
70.
Homozygous is when...
a)
The alleles are the same
b)
The alleles are different
c)
The alleles are absent
d)
The alleles are present
71.
In a heterozygous genotype, the ___________ allele takes over in the phenotype.
a)
recessive
b)
dominant
c)
lower case letter
d)
both
72.
Which of the following is a phenotype?
a)
Aa
b)
red hair
c)
heterozygous
d)
DNA
73.
An Aa genotype is...
a)
homozygous (purebred)
b)
heterozygous (hybrid)
74.
Purebred is another word for __________, while hybrid is another word for __________.
a)
dominant; recessive
b)
recessive; dominant
c)
homozygous; heterozygous
d)
heterozygous; homozygous
75.
Genotype refers to the ...
a)
Physical expression of the genes
b)
The genetic make-up of an organism; you cannot
see it.
c)
Whether an allele is dominant or recessive
d)
How an organism will appear
76.
Squidward has light blue skin, and his genotype for this trait is Bb. Would Squidward be considered homozygous or heterozygous for light blue skin?
a)
Homozygous
b)
Heterozygous
77.
Which of the following is a phenotype?
a)
BB
b)
Bb
c)
bb
d)
Blue eyes
78.
the passing of genetic traits from parent to offspring.
a)
heredity
b)
trait
c)
gene
d)
allele
79.
An allele whose trait only shows up when no dominant allele is present.
a)
hidden allele
b)
dominant allele
c)
recessive allele
d)
present allele
80.
How many alleles (letters) does a child get from each parent for each trait?
a)
1
b)
2
c)
3
d)
4
81.
Which of the following is homozygous dominant?
a)
Yy
b)
Y
c)
yy
d)
YY
82.
In a Punnett square each box represents a(n)....
a)
offspring
b)
parent
c)
gene
d)
trait
83.
T - tall and t = short
In the punnett square below, what belongs in the missing square
In the punnett square below, what belongs in the missing square
a)
tt
b)
Tt
c)
Bb
d)
TT
84.
In a certain species of animal, black fur (B) is dominant over tan fur (b). If two heterozygous parents were crossed what would the parent genotypes be?
a)
BBxbb
b)
BBxBb
c)
BbxBb
d)
bbxBb
85.
T = tall an t = short
What is the phenotype for Tt?
What is the phenotype for Tt?
a)
short
b)
tall
c)
medium sized
d)
neither tall or short
86.
Females-XX; MalesXY. A couple has 4 girls. What is the chance the next child will be a boy?
a)
75%
b)
100%
c)
25%
d)
50%
87.
Which characteristic is NOT inherited?
a)
Hairline (straight or widow's peak)
b)
Spoken language (English, Spanish, etc...)
c)
Earlobes (attached or detached)
d)
Hair type (straight or curly)
88.
What you see, or the physical appearance.
a)
Genotype
b)
Phenotype
c)
Homozygous
d)
Heterozygous
89.
Look at the diagram shown below. Which of these choices is true about individual 4 in generation II?
a)
If individual II-4 has children with a carrier of the disease, the children will have a 50% chance of being affected by the disease.
b)
If individual II-4 has children with someone who has the disease, the children will have a 50% chance of being affected by the disease.
90.
Look at the diagram shown below. Which of these choices is true about individual 4 in generation II?
a)
Male and the father of individual 3 generation III
b)
Female and the mother of individual 3 in generation
III
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