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Non-Mendelian patterns of inheritance and pedigrees

Total questions: 40

Worksheet time: 49mins

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 Ch allele
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.

Genes are ...

a)

That is hidden whenever the dominant allele is present

b)

Segment of DNA on chromosome that control a trait or characteristic

c)

A number of how an event occur

d)

An organism that has two different alleles for a trait

5.

Dominant alleles are alleles whose trait ......... shows up when the alleles is present.

a)

always

b)

never

c)

sometimes

d)

usually

6.

Different forms of a gene

a)

Punnett square

b)

Gene

c)

Allele

d)

Homozygous

7.

An organism's physical appearance or visible trait.

a)

Genotype

b)

Phenotype

8.

An organism's genetic makeup or alleles.

a)

Genotype

b)

Phenotype

9.

What pattern of inheritance are skin color and height examples of? Note that the individual's phenotype exists somewhere along a spectrum.

a)

polygenic inheritance

b)

multiple alleles

c)

linked genes

d)

incomplete dominance

10.

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

a)

Two B alleles

b)

An A allele and a B allele

c)

A B allele and an O allele

11.

For the square that has OO in the bottom right. What would be the missing allele on the top? (A ____ )

a)

A

b)

B

c)

O

d)

OO

12.

A woman has type B blood and her husband has type O blood. What must be the woman's genotype, if they have a child with type O blood?

a)

BO

b)

BB

c)

OO

d)

B

13.
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%
14.
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
15.
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%
16.
This type of inheritance pattern is a MIXTURE of both traits.
a)
incomplete dominance
b)
co-dominance
c)
complete dominance
d)
recessive pattern
17.
This is an example of ___________?
a)
Incomplete dominance
b)
Co-Dominance
18.

In humans, there are three phenotypes for hair--curly, wavy, and straight. Hair texture shows incomplete dominance. Suppose two people with wavy hair have a child. What is the probability the child will have straight hair?

a)

100%

b)

0%

c)

25%

d)

50%

19.
If green is dominant over purple, then what is the genotype for this individual?
a)
Purple
b)
Green
c)
GG
d)
gg
20.
This type of inheritance pattern shows BOTH traits in possible offspring
a)
complete dominance
b)
incomplete dominance
c)
co-dominance
d)
dominant pattern
21.
A breed of chicken shows codominance for feather color. One allele codes for black feathers, another codes for white feathers. The feathers of heterozygous chickens of this breed will be:
a)
all black
b)
all white
c)
all gray
d)
speckled black and white
22.
How many generations are shown in this pedigree?
a)
1
b)
2
c)
3
d)
4
23.
Is this trait (the shaded individuals) dominant or recessive?
a)
dominant
b)
recessive
24.
Give the genotype for person II-1, for this autosomal trait.
a)
GG
b)
Gg
c)
gg
d)
we cannot be 100% sure of the genotype
25.
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
26.

Huntington's Disease is a dominant trait.

What is the correct genotype for individual I-2?

a)

HH

b)

Hh

c)

hh

d)

H?

27.

characteristic, such as red-green color blindness, controlled by genes on the X chromosome; also called an X-linked trait.

a)

sex-linked trait

b)

pedigree

c)

polygenic trait

d)

carrier

28.
In humans, hemophilia is an X-linked recessive trait. If a man and a woman have a son who is affected with hemophilia, which of the following is definitely true?
a)
The mother carries an allele for hemophilia
b)
The father carries an allele for hemophilia
c)
The father is afflicted with hemophilia
d)
both parents carry an allele for hemophilia
29.
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
30.

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

a)

Incomplete Dominance

b)

Codominance

31.

In a pedigree, which shape represents a male?

a)

circle

b)

square

32.

On a pedigree, this symbol represents a ----

a)

not affected male.

b)

not affected female.

c)

affected male.

d)

affected female.

33.

How many individuals are there in the 3rd generation?

a)

1

b)

2

c)

4

d)

6

34.

How are individuals III-2 and II-4 related?

a)

Brother and sister

b)

Dad and daughter

c)

Uncle and niece

d)

Grandfather and granddaughter

35.

Assuming a trait is AUTOSOMAL DOMINANT, what genotypes could make a person AFFECTED?

a)

AA

b)

Aa

c)

aa

d)

XAY

e)

XaY

36.

Assuming a trait is AUTOSOMAL RECESSIVE, what genotype would make a person AFFECTED?

a)

AA

b)

Aa

c)

aa

d)

XAY

e)

XaY

37.

Assuming a trait is X-LINKED RECESSIVE, what are the genotypes of an AFFECTED person?

a)

XAY

b)

XaY

c)

XAXA

d)

XAXa

e)

XaXa

38.

The woman who is colorblind marries a man with normal vision. What is the probability that their sons will be colorblind?

a)

0%

b)

25%

c)

50%

d)

100%

39.
If one parent is heterozygous for type A blood and the other parent is homozygous for type B blood, what is the probability they could have a child with type B blood?
a)
0%
b)
25%
c)
50%
d)
100%
40.

If the image were real, it would represent what type of inheritance pattern?

a)

Incomplete Dominance

b)

Codominance

c)

Multiple Alleles

d)

Polygenic Inheritance

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