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Non-Mendelian Genetics/Pedigrees

Total questions: 35

Worksheet time: 34mins

Name
Class
Date
1.
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
2.

What is this diagram called?

a)

karyotype

b)

pedigree

3.
How many children do #5 & #6 have?
a)
1 male child
b)
2 male and 2 female children
c)
2 male children
d)
1 daughter and 1 son
4.
What do the shaded shapes represent?
a)
normal individuals
b)
individuals who have the trait
c)
carriers
d)
deceased
5.

What sex offspring are most often affected by sex-linked inheritance?

a)

males

b)

females

6.
The image shows the pattern of inheritance for colorblindness.  From this diagram we can tell that colorblindness is
a)
a codominant trait
b)
a sex-linked trait
c)
carried on the Y chromosome
d)
is associated with a dominant allele
7.
In mice, the homozygous mice are black and white. The heterozygous mice are gray. What pattern of inheritance is expressed in fur color in mice?
a)
complete dominance and recessiveness
b)
co-dominance
c)
incomplete dominance
d)
pleiotropy
8.
What do the circles represent in a pedigree chart?
a)
males
b)
females
c)
individuals with a disease
d)
children of either gender
9.
Looking at this pedigree, how many female family members are carriers?
a)
1
b)
3
c)
10
d)
7
10.

A chicken is black, white, or black and white. This inheritance pattern is

a)

Mendelian inheritance.

b)

incomplete dominance.

c)

codominance.

d)

sex-linked inheritance.

11.

A snapdragon is red, white, or pink. This inheritance pattern is

a)

Mendelian genetics.

b)

incomplete dominance.

c)

codominance.

d)

sex-linked inheritance.

12.

Colorblindness is more common in males because it is controlled by

a)

Mendelian inheritance.

b)

Incomplete dominance.

c)

codominance.

d)

Sex-linked inheritance.

13.

This trait is

a)

autosomal recessive.

b)

sex-linked.

c)

autosomal dominant.

14.
A normal human has ___ pairs of autosomes and ___ pair(s) of sex chromosomes.
a)
23,1
b)
22,1
c)
1, 22
d)
1, 23
15.
How many generations are shown in this pedigree?
a)
1
b)
2
c)
3
d)
4
16.
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
17.
Hemophilia is a recessive x-linked disorder.
Which genotype represents a male with hemophilia?
a)
XHXh
b)
XhXh
c)
XHY
d)
XhY
18.

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

(You may have to do a Punnett Square!)

a)

O and AB

b)

O and A

c)

O and B

d)

A and B

19.

Traits that come from more than one set of alleles. The trait for height in humans comes from at least

3 genes and 6 alleles.

a)

Monohybrid Crosses

b)

Polygenetic Traits

c)

Incomplete Dominance

d)

Complete Dominance

20.

Traits that come from environmental exposure (like accidents). These are not passed on to offspring.

a)

Monhybrid Traits

b)

Inherited Traits

c)

Polygenetic Traits

d)

Acquired Traits

21.

A way to predict genetic probability using two different

sets of alleles on two different chromosomes.

a)

Co-Dominance

b)

Incomplete Dominance

c)

Monohybrid Cross

d)

Dihybrid Cross

22.
AB blood type is an example of what type of inheritance?
a)
complete dominance
b)
incomplete dominance
c)
codominance
d)
polygenic inheritance
23.
Aa, DD, bB, yy are all examples of
a)
genotypes
b)
phenotypes
24.
What you see, or the physical appearance.
a)
Genotype
b)
Phenotype
c)
Homozygous
d)
Heterozygous
25.
This is an example of ___________?
a)
Incomplete dominance
b)
Co-Dominance
26.
What type of inheritance is shown?
a)
complete
b)
incomplete
c)
codominance
d)
sex-linked
27.
What type of inheritance is determined by multiple genes located at different loci on different chromosomes and there can be a range of traits?
a)
Codominance
b)
Incomplete dominance
c)
Polygenic traits
28.
Which of the following genotypes belongs in the red box in the Punnett square?
a)
XBXb
b)
XbXb
c)
XbY
d)
XBY
29.

Why do humans have a range of phenotype possibilities when it comes to eye color?

a)

eye color is controlled by the combined effects of many different pigment genes

b)

the gene for eye color is very long in its DNA sequence and it codes for multiple pigment proteins

c)

eye color is controlled by sex-linked genes and therefore eye pigments differ between males and females

d)

eye color is controlled by a recessive allele and pigment is either present or not present

30.

If this pedigree shows a recessive disorder, what MUST the genotype of individual 4 be?

a)

HH

b)

Hh

c)

hh

31.
In a pedigree, what shape represents a male?
a)
circle
b)
square
c)
triangle
d)
diamond
32.
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
33.
How are individuals I-2 and III-5 related?
a)
Grandpa and grandson
b)
Mom and son
c)
Uncle and nephew
d)
Grandma and grandson
34.
Does this pedigree show a dominant or recessive trait?
a)
Dominant
b)
Recessive
35.
What do half colored symbols represent?
a)
The individual is a carrier (heterozygous).
b)
The individual expresses the trait.
c)
The individual has both recessive alleles.
d)
The individual has both dominant alleles.

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