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U4b1 Genetics- Complex Inheritance

Total questions: 10

Worksheet time: 10mins

Name
Class
Date
1.

When a trait is controlled by more than one gene and a variety of phenotypes can be seen.

a)

codominance

b)

incomplete dominance

c)

polygenetics

d)

multiple alleles

e)

sex linked

2.

Blood types are an example of what type of trait?

a)

codominance

b)

incomplete dominance

c)

polygenetics

d)

multiple alleles

e)

sex linked

3.

This picture is example of what type of trait?

a)

codominance

b)

incomplete dominance

c)

polygenetics

d)

multiple alleles

e)

sex linked

4.

What is NOT a possible genotype for someone with type B blood?

a)

IBIB

b)

IAIB

c)

IBi

5.

A man with type AB blood is accused of being the father of a type O baby. The mother is type A. Could this man be the father?

a)

Yes

b)

No

6.

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

a)

Red

b)

Red and White

c)

White

d)

Pink

7.

A roan cow shows co-dominance in fur color (red and white). What is the phenotype ratio expected if a roan cow and a roan steer mate together?

a)

4/4 Red and White

b)

2/4 Red, 2/4 White

c)

2/4 Red, 2/4 Roan, 0/4 White

d)

1/4 Red, 2/4 Roan, 1/4 White

8.
Hemophilia is a sex-linked recessive disorder. A woman with hemophilia marries an unaffected man whose father had hemophilia. What percentage of their daughters will have hemophilia?
a)
0%
b)
25%
c)
50%
d)
100%
9.
What percentage of the female offspring will be a carrier for this recessive disease?
a)
0%
b)
50%
c)
100%
d)
25%
10.
Hemophilia is a recessive x-linked disorder.
Which genotype represents a male with hemophilia?
a)
XHXh
b)
XhXh
c)
XHY
d)
XhY