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Inheritance Quiz

Total questions: 44

Worksheet time: 48mins

Name
Class
Date
1.

Which statement lists the structures in the correct order of size from smallest to largest?

a)

Genes, DNA, chromosomes, bases

b)

Bases, DNA, genes, chromosomes

c)

DNA, chromosomes, genes, bases

d)

. Chromosomes, genes, DNA, bases

2.

What is the correct word for the characteristics displayed by a gene (what it actually looks like)?

a)

Phenotype

b)

Genotype

3.

What is the correct word for describing the alleles fund on a chromosome, e,g Bb or BB?

a)

Phenotype

b)

Genotype

4.

Which of the following statements does NOT explain how fossils are formed?

a)

From parts of organisms that have not decayed

b)

When the conditions for decay are absent

c)

From preserved traces including footprints and roots

d)

When an animal from a million years ago dies and is buried

5.

WHAT TYPE OF CELLS STORE THE GENETIC INFORMATION THAT IS PASSED TO OFF-SPRING

a)

BODY CELLS

b)

MITOSIS

c)

EGG

d)

SPERM

e)

EGG AND SPERM

6.

FERTILIZATION OCCURS WHEN

a)

THE SPERM UNITES WITH THE EGG

b)

THE SPERM UNDERGO MEIOSIS

c)

THE EGG UNDERGOES MEIOSIS

d)

THE EGG AND SPERM UNDERGOES MEIOSIS

7.

Identical twins are formed when

a)

the embryo splits into two and then stays stuck together

b)

when 1 egg is fertilized by 1 sperm and then divides into 2

c)

when two eggs are fertilized by one sperm

d)

when one egg is fertilized by two sperm

8.

What are genes?

a)

Variations in traits

b)

A set of instructions that living organisms inherit from their parents

c)

Physical traits

d)

Learned behaviors

9.

Which two are inherited traits of this cat?

Pick two choices.

a)

Fur color & pattern

b)

Favorite food

c)

Eye color

d)

Enjoying playing with a ball of yarn

10.

True or false? If two kittens have the same parents, they will look exactly alike.

a)

True

b)

False

11.

True or false? Variation can also be caused by the environment.

a)

True

b)

False

12.

These leaves are turning brown. Is this inherited or caused by the environment?

a)

Environmental, because the parents had partly brown leaves

b)

Inherited, because the parents had partly brown leaves

c)

Environmental, because the plant is not getting enough water or nutrients

d)

Inherited, because the plant is not getting enough water or nutrients

13.

A different version of the same gene carrying the same information

a)

recessive

b)

dominant

c)

allele

d)

mutation

14.

What is the function of the X and Y chromosomes?

a)

Eye colour

b)

Hair colour

c)

Height

d)

Sex

15.
Dominant alleles are represented by a(n)
a)
phenotype
b)
lower case letter
c)
upper case letter
d)
punnett square 
16.
D = dimples        d = no dimples 
What is the genotype for a homozygous recessive offspring?
a)
DD
b)
Dd
c)
dd
17.
What do you call the physical expression of a gene?
a)
genotype
b)
dominant
c)
phenotype
d)
allele
18.
A __________ is a segment of DNA that codes for a particular protein, which leads to a particular trait.
a)
Gene
b)
Allele
c)
Codon
d)
Nucleotide
19.

Tall pea plants are dominant to short pea plants what would the alleles of a hybrid be?

a)

TS

b)

TT

c)

Tt

d)

ts

20.

Tt

a)

Homozygous Dominant

b)

Heterozygous

c)

Homozygous Recessive

21.

RR

a)

Homozygous Dominant

b)

Heterozygous

c)

Homozygous Recessive

22.

Aa

a)

Homozygous Dominant

b)

Heterozygous

c)

Homozygous Recessive

23.

rr

a)

Homozygous Dominant

b)

Heterozygous

c)

Homozygous Recessive

24.

TT

a)

Heterozygous

b)

Homozygous Recessive

c)

Homozygous Dominant

25.
What is the percentage of homozygous recessive offspring?
a)
0%
b)
25%
c)
50%
d)
75%
26.
What is the percentage of a homozyogus dominant offspring?
a)
75%
b)
50%
c)
25%
d)
0%
27.
Evolution typically happens...
a)
in a few weeks
b)
over millions of years
c)
never
d)
in 100 years
28.
Bird's beaks evolve mainly due to the type of ___________________ available.
a)
food
b)
water
c)
shrubs
d)
mates
29.
If an organism can't adapt fast enough, this might happen.
a)
hibernate
b)
stay the same
c)
live longer
d)
become extinct
30.
Darwin said that the number of offspring an organism has ___________________
a)
stays the same
b)
is more than can survive
c)
is less than needed
31.
Darwin said that within a species there will be _________________________
a)
nothing different
b)
variation/differences
32.
Organisms with differences/variations that are helpful will ______________________
a)
live longer
b)
become extinct
c)
show no change
33.
What can happen to a species over time if some of the organisms have an advantage?
a)
The population will decrease
b)
The population will become extinct
c)
The population will slowly increase
34.
Why don't we see horses with individual toes/paws anymore?
a)
It isn't an advantage
b)
It was too helpful
c)
It helped them run faster
35.
In recent years "SuperBugs" (bacteria that aren't effected by antibiotics) are becoming more and more common. How could natural selection explain this?
a)
Superbugs survive antibiotics and reproduce
b)
Antibiotics cause bacteria to become superbugs
c)
We have always had the same amount of superbugs; modern media just discusses them more.
d)
There is no reliable data on the origin of super bugs.
36.
Why do peppered moths tend to be the same color as the trees on which they live?
a)
The coloring goes along with tasting like the tree. 
b)
It keeps the moth the same temperature as the tree. 
c)
It makes the moths faster than the birds
d)
It makes the moths harder to see.
37.
Which of these is an example of natural selection?
a)
The largest animal in a population will have more opportunities for reproduction.
b)
Several species of organisms work together so that they all succeed.
c)
One species takes all the resources in an environment leaving none for others.
d)
Organism that are best suited to an environment tend to survive and reproduce more often.
38.
Humans have been a very successful species on earth.  They have very large, very diverse populations spread all around the world. As a result,
a)
Human have very limited ability to adapt to changes in the environment.
b)
Young humans have lower survival rates as compared to other species.
c)
Humans have a potential to adapt to various environmental changes.
d)
All humans are more disease resistant.
39.
Which of the following explains adaptation.
a)
An individual organism changes to meet its needs in the environment. These changes pass down to their offspring.
b)
The species as a whole changes their characteristics.
c)
Beneficial traits allow organism to survive and pass on those traits
d)
New characteristics arise in a species as needed.  If these traits are helpful, they are passed down.
40.
Breed an organism for a desired trait is the definition of
a)
selective breeding
b)
natural selection
c)
natural breeding
d)
biological evolution
41.
Which of these would best form a fossil?
a)
Muscle
b)
Bone
c)
Skin 
d)
Leaves
42.
When an environment changes faster that an species can adapt, the most likely outcome is...
a)
...biological evolution.
b)
...voluntary mutation
c)
...species extinction
d)
...selective breeding
43.
A group of orangutan have become very similar after a series of drastic changes in their environment.  This similarity is likely the result of
a)
selective breeding
b)
random mutaion
c)
inbreeding
d)
natural selection
44.
Evolution works by 
a)
individuals changing to suit their environment
b)
Individuals learned new traits and pass them on
c)
sudden change in the environment cause a species change 
d)
small changes pass down through many generations

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