wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Traits and DNA

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.

Why is DNA important?

a)

It is very small and very complicated.

b)

It is in everything.

c)

It serves as the blueprint for traits of all living things.

d)

We eat it every day for energy.

2.

Which organelle is DNA usually found in?

a)

mitochondria

b)

vacuole

c)

chloroplast

d)

nucleus

3.

The chances of something happening is called -

a)

dominant

b)

genotype

c)

phenotype

d)

probability

4.

The study of heredity is known as -

a)

gene

b)

genetics

c)

meiosis

d)

hybrid

5.

The passing of traits from parent to offspring is known as -

a)

Heredity

b)

Genetics

c)

Hybrid

d)

Probability

6.

One set of instructions for an inherited trait is known as -

a)

heredity

b)

allele

c)

trait

d)

gene

7.

A single piece of coiled DNA found in the cells that contains genes that encode traits is called a -

a)

gene

b)

chromosome

c)

trait

d)

DNA

8.

A characteristic that an organism can pass on to its offspring through its genes is called a -

a)

protein

b)

trait

c)

DNA

d)

gene

9.

Different forms of the same gene, such as for hair color, are known as -

a)

alleles

b)

genes

c)

traits

d)

DNA

10.
What does DNA stand for?
a)
Deoxyribonucleic acid
b)
Denitrogenous acid
c)
Deribonucleic acid
d)
Diribonucleic acid
11.

What are the 4 nitrogen bases?

a)

adenine, thymine, cytoplasm, and guanine

b)

adenine, thymine, cytosine, and guanine

c)

adenine, thymine, cytosine, and gylcerol

d)

adenine, thymine, cytosine, and glucose

12.
Adenine bonds with ______________.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
13.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
14.

Which sequence of DNA bases would pair with this partial strand? ATG TGA

a)

ATG TGA

b)

TAC ACT

c)

GTA AGT

d)

CAT TCA

15.

The twisted ladder shape of DNA is called a -

a)

Hydrogen twist

b)

Deoxyribose flip

c)

Double helix

d)

Double membrane