wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Heredity/Genetics Review

Total questions: 22

Worksheet time: 21mins

Name
Class
Date
1.

Special characteristics that are determined by parents and passed to offspring are

a)

chromosomes.

b)

learned traits.

c)

inherited traits.

d)

environmental factors.

2.

What is the part of the cell with the plan or rule for what we look like on the outside and how we work on the inside?

a)

gene/chromosome

b)

nucleus

c)

alleles

d)

environmental factors

3.

Which organism shares or passes its genes on to offspring?

a)

offspring

b)

mother

c)

father

d)

parent

4.

What are special abilities that result from life experience or environmental factors called?

a)

inherited traits

b)

environmental factors

c)

chromosomes

d)

learned traits

5.

Which organism receives its genes from the parents?

a)

genes

b)

offspring

c)

alleles

d)

characteristics

6.

These can affect an organisms abilities or characteristics

a)

inherited traits

b)

environmental factors

c)

learned traits

d)

environmental issues

7.

Humans have 23 pairs of _______________ with over 22,000 combinations of genes.

a)

traits

b)

chromosomes

c)

cells

d)

chemicals

8.

What kind of trait is eye color?

a)

learned

b)

processed

c)

inherited

d)

natural

9.

DNA is made up of four what?

a)

chromosomes

b)

cells

c)

chemicals

d)

characteristics

10.

Differences, or variations, in the order of traits within each gene make each organism what?

a)

similar

b)

familiar

c)

difficult

d)

unique

11.

Playing a musical instrument or pitching a baseball well are examples of what type of traits?

a)

inherited

b)

learned

c)

environmental

d)

family

12.

A characteristic will be seen in an offspring if what is received from either parent?

a)

recessive gene

b)

dominant gene

c)

pair of genes

d)

invisible genes

13.

How many pairs of chromosomes does a human have?

a)

2

b)

17

c)

23

d)

64

14.

Which traits can only be seen if both parents pass the factor for it to the offspring?

a)

dominant traits

b)

recessive traits

c)

invisible traits

d)

natural traits

15.

What is the table that illustrates the possible results for the genetic characteristics of an offspring of two parents?

a)

Pungent Polygon

b)

Prudent Circle

c)

Power Triangle

d)

Punnett Square

16.

What does DNA stand for?

a)

Do Not Allow

b)

Dioxygen Ntirate Analysis

c)

Deoxyriboneucleic Acid

d)

Dehydrated Nucleus Acids

17.

Which of the following genetic combinations shows a dominant Brown eye?

a)

bb

b)

Db

c)

BB

d)

Br

18.

Which of the following shows a hybrid genetic combination for a tall offspring?

a)

tt

b)

Tt

c)

TT

d)

tl

19.

Which of the following shows a recessive blue eye genetic combination?

a)

bb

b)

Bb

c)

BB

d)

bl

20.

If Tom's mom has hybrid brown hair (Bb) and Tom's dad has dominant brown hair (BB), what color hair will Tom most likely have?

a)

blond

b)

brown

c)

black

d)

red

21.

What are the four chemicals that combine to create DNA?

a)

Adenine, Basil, Thyme, and Galic

b)

Cytosine, Admiral, Guanine, Thorazine

c)

Adenine, Thymine, Cytosine, and Guava

d)

Adenine, Thymine, Cytosine, and Guanine

22.

Which demonstrates the proper combinations for the chemicals in DNA?

a)

Adesine and Cytosine

b)

Cytosine and Thymine

c)

Cytosine and Guanine

d)

Guanine and Adesine