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Worksheets

Traits and Reproduction

Total questions: 35

Worksheet time: 34mins

Name
Class
Date
1.
What is a mutation and how does it affect genes?
a)
A mutation is a growth on an organism.
b)
A mutation is a copy of a gene.
c)
A mutation is a change in an organisms genes.
d)
A mutation is a feature of an organism.
2.
What do gene versions do?
a)
Make the proteins
b)
Provide instructions for proteins
c)
Give the  organism its genes
d)
Pass on the genes to the offspring
3.
How do different protein structures in cells determine traits?
a)
Different protein structures affect how they connect to other proteins molecules.
b)
Different protein structures have no effect on connecting genes.
c)
Different protein structures can change the gene.
d)
Different protein structures provide instructions.
4.
How many proteins do heterozygous gene versions create?
a)
One protein
b)
Two proteins
c)
Three proteins
d)
They are the same.
5.
How do organisms get their traits?
a)
They get thier traits from their environment.
b)
They inherit one copy of a gene from their mother.
c)
They inherit  copy of a gene version from their mother and father.
d)
They get their traits from the proteins they eat.
6.
What does homozygous mean?
a)
Two copies of a gene version that are different.
b)
Two copies of a gene version that are the same.
c)
Two copies of a gene that are mutated.
d)
Two copies of a gene that are used to create another gene.
7.
 Why do siblings and parents different from each other?
a)
Siblings get different amounts of genes from their mother or father making them different.
b)
Each sibling has a mutation that causes them to have different traits.
c)
Siblings use their environment and experiences to determine their traits.
d)
Offspring inherit different combinations of gene versions from parents.
8.
How do gene versions determine different traits?
a)
An organism has two copies of a gene for each feature.
b)
Each parent randomly passes on one of its two copies of genes to its offspring.
c)
Each gene version provides a unique instruction to make a specific protein molecule in an organism's cells.
d)
Traits vary between parents and offspring and among siblings
9.
How many proteins do homozygous genes create?
a)
They are different
b)
One protein
c)
Two proteins
d)
Three proteins
10.
How does sexual reproduction result in a variation among offspring?
a)
Organisms usually inherit their traits from the parent that lives in the same environment.
b)
Each gene version provides a unique set of instructions to make a protein.
c)
Protein molecules interact with other protein molecules.
d)
Each parent randomly passes on one of its two copes of each gene to its offspring.
11.
How do the proteins determine traits in organisms?
a)
They give instructions to the genes
b)
It depends on how they connect with other proteins
c)
The trait depends on what environment the organism lives in. 
d)
The organism inherits its genes through sexual reproduction.
12.
What does heterozygous gene versions mean?
a)
The two copies of a gene for each feature can be the different versions.
b)
The two copies of a gene for a feature can be the same version.
c)
The two copies of a gene are used for an organisms feature.
d)
The two copies of a gene provide instructions for one protein.
13.

Do all offspring have the same traits as their parents?

a)

No

b)

Yes

14.

If you look more like your mom, then you received more genes from her.

a)

True

b)

False

15.

Two parrots have different parents. One parrot has red chest feathers, and the other parrot has yellow chest feathers. Why do the parrots have different feather colors on their chest?

a)

Each parrot has different feather colors because offspring from different parents will have different feather colors.

b)

Each parrot has different feather colors because they have different versions of the gene for feather color that connect together to make different feather colors.

c)

The parrots have different versions of the gene for feather color, and the genes are different colors in each parrot’s feathers.

d)

The parrots have different versions of the gene for feather color, which instruct for different proteins that connect in different ways to make different feather colors.

16.

A father rabbit had long ears while the mother rabbit had short ears. Which of these statements explains why one of the baby bunnies could have long ears?

a)

The baby bunny inherited its copies of the gene for ear length from its father and not from its mother. Those genes connect together to make its ears long.

b)

The baby bunny inherited its copies of the gene for ear length from its father and not from its mother. Just like its father’s genes, those genes instruct for proteins that connect in ways that make its ears long.

c)

The baby bunny inherited one copy of the gene for ear length from its father and one copy from its mother. That gene combination instructs for proteins that connect in ways that make long ears.

d)

The baby bunny inherited one copy of the gene for ear length from its father and one copy from its mother. Those genes connect together to make its long ears.

17.

In living things, proteins _____ in different ways to perform specific jobs (functions) or to create specific structures.

a)

instruct

b)

connect

c)

construct

d)

copy

18.

Brayden is trying to figure out how petal shape is determined in two different roses. In the pink rose, the copies of the gene are the same as each other. In the yellow rose, the copies of the gene are different from each other. How does this affect how many types of proteins there are in each petal cell?

a)

The pink rose has one type of protein for the petal shape feature. The yellow rose has two types of protein for the petal shape feature.

b)

The pink rose has one type of protein for the petal shape feature. The yellow rose has one type of protein for the petal shape feature.

c)

The pink rose has two types of protein for the petal shape feature. The yellow rose has two types of protein for the petal shape feature.

d)

It is impossible to say anything about proteins from the given information.

19.

Which one is an example of a "feature"?

a)

Long hair

b)

Hair color

c)

Brown hair

d)

Shape of foot

20.

Which one is an example of a "trait"?

a)

Red hair

b)

Eye color

c)

Shoe brand

d)

Shape of ear

21.

An instruction for making a protein molecule

a)

Function

b)

Fertilization

c)

Gene

d)

Allele

22.
Otis and Ruby had an offspring with a mutation for the silk stickiness feature. Which of these statements about their mutant offspring is definitely true?
a)
There will be nothing unusual about the offspring's silk stickiness.
b)
The offspring's silk will be extra sticky.
c)
The offspring's silk will be slippery.
d)
The offspring's genes have some sort of change.
23.

A specific characteristic of an individual organism

a)

feature

b)

trait

c)

gene

d)

gene version

24.

Any difference in traits between individual organisms

a)

variation

b)

heterozygous

c)

homozygous

25.

The part of the cell where the genes are located

a)

ribosomes

b)

nucleus

c)

mitochondria

26.

An organism produced as a result of reproduction

a)

offspring

b)

mutation

c)

species

27.

Traits, such as your hair or eye color, are determined by the proteins made by ribosomes in your body.

a)

True

b)

False

28.

There are two genes that decide each of your traits, and those two genes are always exactly alike.

a)

True

b)

False

29.

An offspring cannot have a trait if neither of its parents have it.

a)

True

b)

False

30.

Two bears are unrelated but have the same proteins for ear shape. How will their ears compare with each other?

a)

They will have the same ear shape since their proteins are the same and connect in the same way.

b)

They will have the same ear shape since all bears have the same ears.

c)

They will have different ear shapes since only offspring from the same parents have the same ear shape.

31.

A tree frog has a mutation for their poison feature. This means:

a)

there will be no change to the frog's poison

b)

the frog will be more poisonous than the rest of its family

c)

the frog will be less poisonous than the rest of its family

d)

there must have been a change in the frog's genes.

32.

Henry is studying a family of tree frogs that have poisonous skin, and he finds one frog with a mutation for the poison feature. Which of these statements about the tree frog with the mutation is true?

a)

There will be no change to the frog’s poison.

b)

The frog must be more poisonous than other frogs.

c)

The frog must be less poisonous than other frogs.

d)

There must have been a change in the frog’s genes.

33.

Two sharks have different parents. The two sharks have different proteins in their cells for the color on the tip of their fins. What can you say about the color on the tip of the two sharks' fins?

a)

The fins will be the same color since all sharks have the same fin color.

b)

The fins will be the same color because even with different proteins for fin color, the proteins can connect in the same way.

c)

The fins will be different colors since offspring from different parents will have different colored fins.

d)

The fins will be a different color since their proteins for fin color are different so the proteins will connect in different ways.

34.

The wing cells of dragonflies have proteins that connect together. In one dragonfly, the structure of the proteins in the wing cells changed, but the amount of that type of protein in the cell stayed the same. What happened to the function of that type of protein?

a)

The amount of that type of protein stayed the same, so its function doesn’t change.

b)

The changed protein connects differently, but its function doesn’t change.

c)

The changed protein connects differently, so its function changes.

d)

The changed protein connects the same, but its function changes.

35.

Some humans have naturally curly hair while others have straight hair because

a)

the genes curly in some humans.

b)

the proteins connect in different ways to create curly or straight hair.

c)

all humans have a different set of parents.

d)

their genes construct proteins for curly hair or straight hair.