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Worksheets

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Total questions: 16

Worksheet time: 9mins

Name
Class
Date
1.

In a pedigree, which shape represents a male?

a)

circle

b)

square

2.

How many individuals are there in the 3rd generation?

a)

1

b)

2

c)

4

d)

6

3.

What is the genotype for individual I-1?

a)

aa

b)

AA

c)

Aa

4.
Which individual in the first generation is a carrier?
a)
The male
b)
The female
c)
individual 1
d)
None of the above
5.
How many children did I-3 and I-4 have?
a)
2
b)
3
c)
4
d)
5
6.
What do we use pedigrees for?
a)
To look at families
b)
To make determinations about the offspring
c)
To track traits in families
d)
Nothing
7.

Sam and Madeline are having another baby. Which statement is true?

a)

The baby will inherit the trait.

b)

The baby will be a carrier for the trait.

c)

The baby will not inherit or carry the trait.

d)

None of these are correct.

8.

How many children did Noah and Mary have?

a)

3; 2 girls and 1 boy.

b)

3; 2 boys and 1 girl

c)

4; 3 girls and 1 boy

d)

4; 2 girls and 2 boys

9.

What does a fully colored in circle or square on a pedigree represent?

a)

Someone who carries a gene for the trait.

b)

Someone who has the trait.

c)

Someone who has no genes for the trait.

d)

Someone who has reproduced.

10.

What does a half shaded in circle or square represent on a pedigree?

a)

Someone who carries a gene for the trait.

b)

Someone who has the trait.

c)

Someone who has no genes for the trait.

d)

Someone who has died.

11.
Offsprings are represented by....
a)
Horizontal Line 
b)
Vertical Line 
12.
A carrier is represented by what symbol? 
a)
Clear 
b)
Shaded 
c)
Half Shaded
d)
1:4 ratio 
13.
Which generation connects these two pedigrees? 
a)
1
b)
2
c)
3
14.
How many affected females are deceased? 
a)
0
b)
2
c)
4
d)
All 
15.
How many people in the pedigree are carriers for the disorder? 
a)
b)
8
c)
2
d)
9
16.

A pedigree chart tracks ________ specific trait(s).

a)

one

b)

two

c)

three

d)

15