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DNA, Genes, Chromosomes and Traits Quiz

Total questions: 12

Worksheet time: 6mins

Name
Class
Date
1.

What type of molecule contains genetic information?

a)

Fat molecule

b)

Protein molecule

c)

DNA molecule

d)

Carbohydrate molecule

2.

What is this structure that contains DNA?

a)

A chromosome

b)

A nucleus

c)

A gene

d)

A mitochondrion

3.

DNA is found...

a)

Inside a cell's membrane

b)

It varies, depending on the type of cell

c)

Inside the chromosomes, which are inside the nucleus

d)

Floating free in the cell, outside the nucleus

4.

Which one of these are TRAITS that are passed on from parents to offspring?

a)

Eye color, hair color, freckles

b)

Favorite foods and choice of music

c)

Having table manners

d)

Having a scar on your forehead

5.

What is TRUE about a DOMINANT trait?

a)

It is the weaker trait that is hidden by the recessive trait.

b)

It is equally as strong as a recessive trait.

c)

It is the stronger trait and it "masks" the recessive trait.

d)

Example of these traits are blond hair and light colored eyes.

6.

If a woman dyed her hair blue, could she pass that trait (blue hair) on to her child?

a)

Yes, hair color is genetic

b)

Yes, the child receives all of their mother's traits

c)

No, dying your hair doesn't change your DNA

d)

No, you inherit your hair color from your father

7.

A small section of DNA that codes for a trait is called a ...

a)

DNA

b)

Gene

c)

Chromosome

d)

Protein

8.

What is true about the traits that are passed down from our parents?

a)

2 are passed from each parent for each trait

b)

4 are passed from each parent for each trait

c)

Traits can change after birth

d)

Parents do not influence a child's traits

9.

Which one of these would contain one or more cells that contain DNA?

a)

Plants

b)

Humans

c)

Bacteria

d)

All of the above

10.

What is pictured here?

a)

Gene

b)

Chromosome

c)

DNA

d)

Protein

11.

Which one of these is an example of a DOMINANT trait?

a)

Dark hair

b)

Light hair

c)

Light colored eyes

12.

Which fact is TRUE?

a)

Everyone receives traits that are passed on in their parents DNA.

b)

Dominant traits are more common than recessive because they are stronger.

c)

Chromosomes are made up of DNA

d)

All of the above