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Non-Mendelian Genetics

Total questions: 35

Worksheet time: 37mins

Name
Class
Date
1.

A calico cat shows both the traits for orange fur and black fur. What kind of inheritance pattern is this?

a)

Incomplete Dominance

b)

Co Dominance

c)

Sex-Linked

d)

Polygenic

2.
A roan cow shows co-dominance in fur color (orange and white). What is the phenotype ratio expected if a roan cow and a roan steer mate together?
a)
4: Orange and White
b)
1: Orange : 1 White
c)
2 Orange: 2 Orange and White: 0 White
d)
1: Orange: 2 Orange and White: 1 White
3.

This type of inheritance pattern is a Blend of both traits.

a)

incomplete dominance

b)

co-dominance

c)

complete dominance

d)

recessive pattern

4.
Having two of the SAME alleles for a trait (example HH or hh):
a)
homozygous
b)
heterozygous
c)
recessive
d)
dominant
5.
What does heterozygous mean?
a)
An organism that has the same genes for a trait (TT or tt)
b)
An organism that has different genes for a trait (Tt)
c)
When neither gene is fully dominant; offspring is a mixture of both
d)
the different forms of a trait (hair color--> brown, blonde, red
6.
An organism's genetic make-up:
a)
phenotype
b)
genotype
c)
dominant
d)
recessive
7.
An organism's appearance or other observable characteristics:
a)
phentoype
b)
genotype
c)
recessive
d)
dominant
8.
If a trait is controlled by one gene, but there are 4 possible alleles, the inheritance pattern is called...
a)
dominance
b)
sex-linked
c)
multiple alleles
d)
polygenic
9.
The range of human skin colors is caused by a variety of genes, each of which has at least 2 alleles.  This is an example of:
a)
incomplete dominance
b)
codominance
c)
multiple alleles
d)
polygenic inheritance
10.

This is an example of ___________?

a)

Incomplete dominance

b)

Co-Dominance

c)

Sex-linked inheritance

d)

Autosomal recessive inheritance

11.

Is it possible for a person with type AB blood and a person with type A blood to have a child with type O blood?

a)

Yes

b)

No

12.

Radishes show incomplete dominance in their color. There are three varieties: red, white, and purple. If I cross a red radish (RR) with a white radish (WW), what color will their offspring be?

a)

white

b)

red

c)

purple

13.

Andalusian chickens have three phenotypes: black, white, and "blue" (a grayish color). What is the probability that two blue chickens will have blue offspring?

a)

0%

b)

25%

c)

50%

d)

100%

14.
If this image were real, it would represent what type of inheritance?
a)
incomplete dominance
b)
codominance
c)
polygenic inheritance
d)
compete dominance
15.
AB blood type is an example of what type of inheritance?
a)
complete dominance
b)
incomplete dominance
c)
codominance
d)
polygenic inheritance
16.
A red flowered plant (RR) breeds with a White flowered plant (WW). The gene for petal color in these plants expresses incomplete dominance.  What percentage of the offspring will have pink (RW) flowers?
a)
0%
b)
25%
c)
50%
d)
100%
17.
Aa, DD, bB, yy are all examples of
a)
genotypes
b)
phenotypes
18.
What you see, or the physical appearance.
a)
Genotype
b)
Phenotype
c)
Homozygous
d)
Heterozygous
19.
In a Punnett square each box represents a(n)....
a)
offspring
b)
parent
c)
gene
d)
trait
20.
What type of inheritance is shown?
a)
complete
b)
incomplete
c)
codominance
d)
sex-linked
21.
What do you call the non-Mendelian inheritance pattern that states that neither trait is dominant and the traits appear to blend together?
a)
Codominance
b)
Incomplete dominance
c)
Polygenic traits
22.
How many alleles does an individual have for each trait?
a)
1
b)
2
c)
3
d)
4
23.
If a gene is found only on the X chromosome and not the Y chromosome, it is said to be what?
a)
sex-linked trait
b)
polygenic trait
c)
codominant trait
d)
incomplete dominance trait
24.
What type of inheritance do two alleles have if their traits blend together? 
a)
Incomplete Dominance
b)
Co-Dominance
c)
Mendelian Inheritance
d)
Homozygous Inheritance
25.
The different forms of a gene are called
a)
traits
b)
pollinators
c)
alleles
d)
hybrids
26.

Which of these describes the Law of Dominance?

a)

Genes for different traits sort independently of each other during gamete formation.

b)

Alleles separate from each other during gamete formation.

c)

Some traits are dominant and others are recessive. Dominant traits are coded by dominant alleles.

27.

What do we call traits that are controlled by more than one gene?

a)

Multicellular traits

b)

Polygenic traits

c)

Sex-linked traits

d)

Genotypic traits

28.

A mixture of dominant and recessive genotype, where the dominance of a paired genes is partial and not completely successful

a)

Sex-linked trait

b)

Incomplete Dominance

c)

Codominance

d)

Multiple alleles

29.

A black dog and a white dog bred each other. The offspring is a black spotted dog similar to Dalmatians. What kind of Non-mendelian genetic is the situation?

a)

Sex-linked trait

b)

Incomplete dominance

c)

Codominance

d)

Multiple Alleles

30.

Hemophilia is an X-linked recessive condition in which blood does not clot properly. Queen Victoria of England had one allele for hemophilia. Most of her male descendants had the disorder, but few females had it. Why did hemophilia occur more frequently in Queen Victoria’s male descendants?

a)

Only one copy of the X chromosome is found in cells of males, but two copies are found in cells of females.

b)

Males have hormones that enhance the expression of X-linked traits.

c)

Replication of the X chromosome occurs often in males but rarely in females.

d)

Males mature more slowly than females, allowing recessive traits more time to appear.

31.

This picture shows what the red blood cell of someone with sickle cell anemia. This disorder is carried on the X chromosome and is most common in sub-saharan populations. What type of inheritance pattern must it follow?

a)

codominance

b)

sex-linked inheritance

c)

multiple allele inheritance

d)

incomplete dominance

32.
What gender of offspring are most often affected by sex-linked inheritance?  What gender are usually carriers of the trait?
a)
males, males
b)
females, males
c)
males, females
d)
females, females
33.
What percentage of the offspring will have this recessive disease?
a)
0%
b)
25%
c)
50%
d)
75%
34.
What percentage of the female offspring will be a carrier for this recessive disease (a)?
a)
0%
b)
50%
c)
100%
d)
25%
35.
What percentage of the offspring will have this recessive disease?
a)
0%
b)
25%
c)
50%
d)
75%

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