wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Unit 5 Pretest

Total questions: 20

Worksheet time: 32mins

Name
Class
Date
1.

The Father of Genetics is ____. He studied many traits in pea plants and developed 3 laws of Inheritance based on his observations.

a)

Charles Darwin

b)

Gregor Mendel

c)

James Watson

d)

Randy Mendel

2.

In Pea plants, Green pods is dominant over yellow. The correct genotype for a heterozygous green plant would be:

a)

GG

b)

gg

c)

Gg

d)

GY

3.

Which term means having two genes of the same type for a trait?

a)

Homozygous

b)

Heterozygous

c)

Hybrid

4.

What type of inheritance do two alleles have if their traits blend together?

a)

Incomplete Dominance

b)

Co-Dominance

c)

Mendelian Inheritance (Complete Dominance)

d)

Homozygous Inheritance

5.

Snap dragon color is a incomplete dominant trait. A red flower (RR) is crossed with white flower (WW)? What color are flowers that are RW?

a)

Red

b)

Red and White

c)

White

d)

Pink

6.

Snap dragon color is a incomplete dominant trait. A red flower (RR) is crossed with white flower (WW)? What color are flowers that are RW?

a)

Red

b)

Red and White

c)

White

d)

Pink

7.
This is an example of ___________.
a)
 Incomplete Dominance
b)
 Codominance
8.
A tall plant (TT) is crossed with a short plant (SS) and a medium plant (TS) results. This is what type of inheritance pattern?
a)
Incomplete Dominance
b)
Codominance
9.
A personal with type AB blood has which genotype?
a)
type A
b)
AA
c)
AB
d)
BB
10.
Which of the following statements is true regarding blood types?
a)
A and O are codominant, B is recessive.
b)
B and O are codominant, A is recessive.
c)
A and B are codominant, O is recessive.
d)
A , B and O are all codominant with each other.
11.
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
12.
Give the genotype for person II-1
a)
GG
b)
Gg
c)
gg
13.
If a woman is a carrier for a sex linked recessive trait of hemophilia and her husband has hemophilia, which of the following is true? Make a punnett square!
a)
All sons will have hemophilia
b)
all daughters will have hemophilia
c)
50% of daughters and 50% of sons have hemophilia
d)
100% of sons have hemophilia and 100% of daughters are carriers
14.

What does A indicate?

a)

A male that has the trait.

b)

A female that has the trait.

c)

A female that does not have the trait.

d)

A male that does not have the trait.

15.

What does B indicate?

a)

line that indicates someone likes each other

b)

line that indicates a marriage

c)

line that indicates a relationship of parents and children

d)

A male that does not have the trait.

16.
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
17.

In a pedigree, which shape represents a male?

a)

circle

b)

square

18.

How many individuals are there in the 3rd generation?

a)

1

b)

2

c)

4

d)

6

19.

How are individuals III-2 and II-4 related?

a)

Brother and sister

b)

Dad and daughter

c)

Uncle and niece

d)

Grandfather and granddaughter

20.
There are no carriers for Huntington's Disease- you either have it or you don't. Is Huntington's disease caused by a dominant or recessive trait?
a)
Dominant
b)
Recessive