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Complex Inheritance Patterns

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.
The heterozygotes resulting in a cross between two purebreds has a phenotype that resembles an intermediate form between the two parents. 
a)
Incomplete Dominance
b)
Complete dominance
c)
Co - Dominance 
d)
Multiple Alleles
2.
The Himalayan Chinchilla can be different varieties of colors based on inheriting combinations of the  C allele, Cch , or Callele
a)
Polygenic Inheritance
b)
Pleiotropy
c)
Codominance 
d)
Multiple Alleles
3.
A person with blood type AB expresses two markers on the surface of their blood cells. Each marker is coded for by a different allele. 
a)
Complete dominance
b)
Multiple Alleles
c)
Codominance 
d)
Polygenic Inheritance
4.
If you cross a black chicken with a white chicken, only checkered chickens would be produced.  What kind of inheritance pattern does this follow?
a)
incomplete Dominance
b)
Co-Dominance
c)
polygenic trait
d)
blocked trait
5.
How many alleles (letters) does a child get from each parent for each trait?
a)
1
b)
2
c)
3
d)
4
6.
A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?
a)
Incomplete Dominance
b)
Co dominance
c)
Independent assortment
d)
Recessive inheritance
7.

Can a human male be a carrier of red-green color blindness?

a)

Yes, males can be carriers of red-green color blindness, as color blindness is autosomal dominant

b)

No, males cannot be the carriers of red-green color blindness, as color blindness is X-linked

c)

No, males cannot be the carriers of red-green color blindness, as color blindness is Y-linked

d)

Yes, males can be carriers of red-green color blindness, as color blindness is autosomal recessive

8.

What is the difference between polygenic inheritance and multiple alleles?

a)

No difference

b)

Multiple alleles focus on 1 gene, polygenic inheritance doesn't

c)

Polygenic inheritance is multiple genes, alleles are 1 gene

d)

None of the above

9.

This karyotype is that of a...

a)

Male

b)

Female

10.

Many genes determine 1 trait (ex: skin color)

a)

Incomplete Dominance

b)

Polygenic

c)

Codominance

d)

Multiple alleles

11.
For an XX female to express a recessive sex-linked trait, she must have....
a)
two recessive alleles
b)
a Y chromosome 
c)
one recessive allele
d)
two dominant alleles
12.
The 23rd pair of chromosomes that differ in males and females are called___.
a)
autosomes
b)
sex chromosomes
c)
multiple alleles
d)
polygenic
13.

Hemophilia is a recessive sex-linked trait. If H = normal & h = has hemophilia, which genotype represents a male with hemophilia.

a)

XHY

b)

XHXh

c)

XhXh

d)

XhY

14.

Which of the following is not an allele for blood type?

a)

A

b)

B

c)

O

d)

i

15.

If you have type O blood, what is your blood genotype?

a)

Ai

b)

Bi

c)

OO

d)

ii