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WorksheetsGenetics Review 2016
Total questions: 20
Worksheet time: 40mins
Name
Class
Date
1.
Air pollution can influence a person's quality of life. Which best identifies the influence of air pollution?
a)
It is a behavioral influence.
b)
It is a genetic influence.
c)
It is an environmental influence.
d)
It is a dietary influence.
2.
Which mostly accurately describes all behavior?
a)
All behavior is affected only by experience.
b)
All behavior is affected only by inheritance.
c)
All behavior is affected neither by experience nor inheritance.
d)
All behavior is affected by both experience and inheritance.
3.
A child's sex is determined by the sex chromosomes in which person?
a)
Grandfather
b)
Grandmother
c)
Mother
d)
Father
4.
An advantage of asexual reproduction is that it does not require fertilization. What advantage do the offspring of SEXUAL reproduction most likely have as a result of fertilization
a)
The DNA variation in offspring may allow survival in a changing environment.
b)
The DNA of the offspring is the same as the parent.
c)
The offspring must use energy to find a mate.
d)
The offspring are identical.
5.
A plant that has traits identical to the parent plant provides evidence that the plant...
a)
resulted in sexual reproduction.
b)
resulted in asexual reproduction.
c)
will develop many seeds.
d)
will have large leaves.
6.
What advantages do the offspring of a dandelion have by reproducing asexually?
a)
Reproduction occurs rapidly.
b)
Reproduction competition is increased.
c)
Mating compatibility improves.
d)
Diversity increases between generations.
7.
The muscle cells of an elephant contain 62 chromosomes. How many chromosomes are in an elephant EGG cell?
a)
31
b)
62
c)
122
d)
244
8.
Which statement describes a characteristic of both sexual and asexual reproduction?
a)
Both processes require egg cells.
b)
New cells are produced.
c)
Two parents are required.
d)
The processes produce genetically unique offspring.
9.
Rat snakes have different markings and colorings. Where would a rat snake most likely be gray?
a)
In a forest.
b)
In a swamp.
c)
In a gravel pit.
d)
In a corn field.
10.
What form of reproduction is this hydra showing in the diagram?
a)
Fission
b)
Budding
c)
Fragmentation
d)
Meiosis
11.
Below are some influences on a person's quality of life. Which is LEAST controlled by human behavior.
a)
Inherited genetic disorder
b)
Using tobacco products
c)
Eating healthy foods
d)
Drinking clean water
12.
According to the chart, would it ever be beneficial to have one copy of the sickle cell allele?
a)
Yes, during an outbreak of cholera.
b)
Yes, during an outbreak of malaria.
c)
No, because the allele does not protect against cholera.
d)
No, because the allele does not protect against malaria.
13.
In some plants, red flowers are dominant (R) and white flowers are recessive (r). Two plants are crossed and the offspring have a possibility of 3/4 red flowers and 1/4 white flowers. Which Punnett square shows the cross and its offspring?
a)
A
b)
B
c)
C
d)
D
14.
A bacterium can reproduce by splitting into two cells. Which of these best describes the genetic make up of the resulting two cells?
a)
They have the same amount of genetic material and are identical.
b)
They have the same amount of genetic material but are not identical.
c)
They have half the amount of genetic material, which grows in size.
d)
They have half the amount of genetic information, but then it duplicates itself.
15.
Potatoes reproduce by growing sprouts. When planted, these sprouts grow into new plants. This is an example of...
a)
seed production.
b)
fertilization.
c)
pollination.
d)
asexual reproduction.
16.
Based on this diagram, what conclusion about the offspring labeled "A" is supported?
a)
It has acquired traits in response to its environment.
b)
It has lower mass of genetic material than offspring B.
c)
It has the same genetic material as its parent.
d)
It has half as much genetic material as its parent.
17.
Some organisms reproduce sexually while others reproduce asexually. Which would be an example of ASEXUAL reproduction?
a)
A
b)
B
c)
C
d)
D
18.
A human body cell has 46 chromosomes. Which diagram represents mitosis in a human body cell?
a)
A
b)
B
c)
C
d)
D
19.
Butterflies B=white and b=yellow
Why are all the offspring white?
Why are all the offspring white?
a)
Both parent butterflies were dominant for white color.
b)
Only one parent butterfly carried recessive traits.
c)
Only one parent carried dominant and recessive genes.
d)
Both parent butterflies carried recessive genes for yellow color.
20.
A gene mutates in a type of bacteria. When these bacteria reproduce asexually, this mutation can only be inherited by...
a)
different types of bacteria.
b)
cells in bacteria that are non-reproductive.
c)
bacteria cells that are missing the gene.
d)
direct descendants of the bacteria.
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