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WorksheetsUnit 3 Review - Reproduction, Heredity, and Evolution
Total questions: 50
Worksheet time: 49mins
Name
Class
Date
1.
Dominant or recessive?
tt
tt
a)
Dominant
b)
Recessive
2.
Dominant or recessive?
Dd
Dd
a)
Dominant
b)
recessive
c)
neither
d)
homozygous
3.
Mutations are a change in what?
a)
DNA
b)
tRNA
c)
genotype
d)
phenotype
4.
How many parents do you have in asexual reproduction?
a)
1
b)
3
c)
2
d)
4
5.
In sexual reproduction offspring look___________from their parent.
a)
Identical
b)
different
c)
the opposite
d)
happy
6.
In asexual reproduction the offspring look ________ as their parent.
a)
identical
b)
different
c)
the opposite
d)
as happy
7.
Bacteria like salmonella reproduce________
a)
sexually
b)
asexully
8.
Which of the following is a DISADVANTAGE of using only asexual reproduction for crops?
a)
plants can be more vulnerable to disease
b)
it is fast and efficient to reproduce crops
c)
it results in a lot of genetic diversity
d)
it's easy to spread sexually transmitted infections
9.
What is the goal of reproduction?
a)
to produce offspring that pass on the parents' genes
b)
to make the species more vulnerable to disease
c)
to make exact copies of the same organism
d)
to create new species
10.
What step of reproduction is shown in the image below?
a)
finding a mate
b)
fertilization
c)
developing the offspring
d)
pollination
11.
Flowers use pollination to
a)
sexually reproduce
b)
transfer nutrients between flowers
c)
asexually reproduce
12.
What is the name of the cell that is formed after the process shown below?
a)
zygote
b)
sperm
c)
egg
d)
bud
13.
Which of the following is an advantage of sexual reproduction?
a)
it creates more genetic diversity
b)
it is fast and efficient
c)
it is easy to find a mate
d)
it is easier to develop offspring
14.
Which of the following is NOT a physical strategy that an organism might use to attract a mate?
a)
brightly colored feathers
b)
large antlers
c)
fighting other males for mates
d)
leaving scent trails
15.
Which of the following is NOT a behavioral strategy that an organism might use to attract a mate?
a)
performing mating dances
b)
vocalizations
c)
fighting other males for mates
d)
brightly colored scales or feathers
16.
Bacteria reproduce when a parent organisms splits itself into two identical offspring. This is an example of
a)
sexual reproduction
b)
asexual reproduction
c)
both sexual and asexual reproduction
d)
neither sexual nor asexual reproduction
17.
Banana plants can reproduce by cutting a branch off of a parent plant and replanting it so that it develops into a separate plant. This is an example of
a)
sexual reproduction
b)
asexual reproduction
c)
both sexual and asexual reproduction
d)
neither sexual nor asexual reproduction
18.
Which of the following organisms cannot use external fertilization?
a)
sea anemones
b)
jellyfish
c)
sea stars
d)
cobra snakes
19.
Cobras can be found in savannah and grasslands in Africa and Southern Asia. They spend their time underground, and they lay their eggs in underground nests. Which statement is probably true?
a)
Cobras use internal fertilization
b)
Cobras use external fertilization
c)
Cobras use internal development
d)
Cobras use asexual reproduction
20.
The image below shows the development of a human organism. This diagram shows that humans
a)
use internal development
b)
use external development
c)
use internal fertilization
d)
use external fertilization
21.
Which process creates genetically DIFFERENT offspring?
a)
sexual
b)
asexual
22.
Requires two parents
a)
sexual
b)
asexual
23.
What is the advantage of having different shaped beaks?
a)
To look different from other species.
b)
To be able to eat the food readily available in the environment.
c)
To protect itself against predators.
d)
To protect itself against prey.
24.
The theory of evolution by natural selection means that what is changing over time?
a)
The inherited traits of a population.
b)
The acquired traits of a population.
c)
Hair color and eye color
d)
Attractive features.
25.
When the egg and sperm cells unite, this is called...
a)
Fertilization
b)
Zygote
c)
Embryo
d)
Cell Differentiation
26.
What part of our cells holds our DNA?
a)
cytoplasm
b)
cell membrane
c)
nucleus
d)
ribosomes
27.
different versions of a gene that determines a trait, such as hair color.
a)
allele
b)
gene
c)
trait
d)
DNA
28.
This image shows a tool that scientists can use to track how a disease passes through generations of a family. What is the name of this tool?
a)
pedigree
b)
punnett square
c)
genotype
d)
recessive trait
29.
Look at the couple III-1 and III-2 in this pedigree. How many children do they have?
a)
2
b)
8
c)
4
d)
6
30.
Look at generation II of this pedigree. How many people in this generation are affected by the disease?
a)
1
b)
8
c)
4
d)
6
31.
Look at this Punnett Square. Two parents (Aa and Aa) are crossed together. What is the chance that their offspring will show the RECESSIVE trait?
a)
4/4 or 100%
b)
3/4 or 75%
c)
1/4 or 25%
d)
0/4 or 0%
32.
Why are advantageous traits more likely to be passed onto offspring?
a)
Because they are more likely to survive and reproduce.
b)
Because they come from dominant alleles.
c)
Because they come from recessive alleles.
d)
Because the trait is an acquired phenotype.
33.
Sexual reproduction requires _____ parents and asexual reproduction requires ___ parents
a)
1,1
b)
2,2
c)
2,1
d)
1,2
34.
Two types of sex cells are...
a)
egg and zygote
b)
egg and sperm
c)
sperm and zygote
35.
What is the main purpose of reproduction?
a)
For a species to die out
b)
For a species to continue survival
c)
For all the cells to look different
d)
For all the cells to look the same
36.
the passing of genetic traits from parent to offspring.
a)
heredity
b)
trait
c)
gene
d)
allele
37.
Dominant alleles are represented by a:
a)
Male gene
b)
lowercase letter
c)
recessive trait
d)
capital letter
38.
One trait that is ALWAYS present and causes the other traits to disappear is a ________________________
a)
recessive trait
b)
aggressive trait
c)
absent trait
d)
dominant trait
39.
Offspring receives two sets of _____________ (one from each parent)
a)
blue jeans
b)
genes
c)
machines
d)
pedigree
40.
In this process, better adapted organisms survive to pass traits along to offspring.
a)
Evolution
b)
Natural Selection
c)
Extinction
d)
Artifical Selection
41.
Which is not an example of an adaptation?
a)
A bird's beak allows it to crack open hard nuts.
b)
A zebra's stripes allow it to confuse its predators.
c)
A frog's large hind legs allow it to jump from danger.
d)
A cat sleeps on the sofa to avoid the vacuum cleaner.
42.
Why are advantageous traits more likely to be passed onto offspring?
a)
Because they are more likely to survive and reproduce.
b)
Because they look cooler.
c)
Because they come from recessive alleles.
d)
Because the trait is an acquired phenotype.
43.
Dogs are an example of:
a)
A common ancestor
b)
Artificial selection
c)
The natural pace of evolution
d)
Extinction rate rising
44.
Which of the following would NOT be considered a selection pressure on a population?
a)
A limited amount of water
b)
The presence of a predator
c)
A hot climate
d)
A surplus of food
45.
What is selective breeding?
a)
A process in which mates pick which partner to have offspring with
b)
It is a process humans use to breed or reinforce desired traits into a particular organism.
c)
A process to get rid of beneficial traits
d)
A process to add harmful traits
46.
A farmer inserts a gene into a corn plant that causes the plant to produce twice as many ears of corn. This is an example of
a)
genetic engineering
b)
selective breeding
c)
natural selection
d)
asexual reproduction
47.
A mutation occurs that leads to a "T" in the genetic sequence being replaced with a "G". This is an example of
a)
insertion
b)
deletion
c)
substitution
d)
reformation
48.
Which of the following options lists genetic material from the smallest unit to the largest unit?
a)
gene, chromosome, nucleus
b)
nucleus, chromosome, gene
c)
chromosome, gene, nucleus
d)
chromsome, nucleus, gene
49.
Abnormal, uncontrolled cell division results in
a)
trisomy
b)
nondisjunction
c)
cancer
d)
natural selection
50.
The process of meiosis results in
a)
the formation of sex cells
b)
4 daughter cells
c)
Cells with half the number of chromosomes as the parent cell
d)
all of these
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