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Non-Mendelian Genetics & Pedigrees Quiz

Total questions: 23

Worksheet time: 23mins

Name
Class
Date
1.
How many generations are shown in this pedigree?
a)
1
b)
2
c)
3
d)
4
2.
What does a filled in square represent?
a)
Not affected Female
b)
Not affected Male
c)
Affected Male
d)
Affected Female
3.
If this pedigree shows an autosomal recessive disorder, what MUST the genotype of individual II-3 be?
a)
HH
b)
Hh
c)
hh
d)
None of the above
4.

When one allele is not dominant over another, resulting in a blended phenotype for heterozygous offspring is considered....

a)

Incomplete Dominance

b)

Codominance

5.

Some flowers are controlled by codominance. Red flowers (RR), blue flowers (BB) and Speckled flowers (RB).


Cross a red flower with a speckled flower. What is the phenotypic ratio?

a)

2 red, 2 speckled

b)

2 red, 2 blue

c)

2 blue, 2 speckled

6.

Some flowers are controlled by codominance. Red flowers (RR), blue flowers (BB) and Speckled flowers (RB).


Cross two speckled flowers.

a)

1 red, 2 speckled, 1 blue

b)

2 red, 2 blue

c)

2 blue, 2 speckled

d)

1 red, 1 speckled, 2 blue

7.
This is an example of ___________?
a)
Incomplete dominance
b)
Co-Dominance
8.
This is an example of ___________.
a)
 Incomplete Dominance
b)
 Codominance
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 female who is a carrier for hemophilia?
a)
XHXh
b)
XhXh
c)
XHXH
d)
XhY
11.
Which of the following genotypes belongs in the red box in the Punnett square?
a)
XBXb
b)
XbXb
c)
XbY
d)
XBY
12.
What is the cause of some traits "skipping" a generation?
a)
dominant traits
b)
recessive traits
c)
blind dumb luck
d)
homologous chromosomes
13.
When two or more alleles for a trait exist in a population.  Ex: Different hair colors or blood types
a)
SHAZAM!
b)
Multiple Genes
c)
Multiple Alleles
d)
Polysaccharide
14.

What you see, or the visible result of heredity.

a)

Genotype

b)

Phenotype

c)

Homozygous

d)

Heterozygous

15.

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

a)

BB

b)

AB

c)

BO

16.

What are the blood types of the possible children that a woman (type O) and man (type AB) can have?

a)

AO and BO

b)

O and A

c)

O and B

d)

A and B

17.

The different forms of a gene are called

a)

traits

b)

pollinators

c)

alleles

d)

hybrids

18.

What type of inheritance is determined by multiple genes and there can be a range of traits?

a)

Codominance

b)

Incomplete dominance

c)

Polygenic traits

19.

AB blood type is an example of what type of inheritance? Both alleles show in the phenotype

a)

complete dominance

b)

incomplete dominance

c)

codominance

d)

polygenic inheritance

20.
If a father is AA and a mother is AB, what is the probability for a child with AB blood? 
a)
0%
b)
25%
c)
50%
d)
75%
21.

The following is a DNA sequence, GTACTCGTA. What is the sequence of the opposite strand?

a)

GTACTCGTA

b)

CATGAGCAT

c)

CATCATCAT

d)

TAGTAGTAG

22.

In a pedigree, circles represent what?

a)

Males

b)

Children

c)

Females

d)

Marriages

23.

What Roman Numeral would be used to represent the 4th generation in a pedigree?

a)

I

b)

IV

c)

VI

d)

V