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Chapter 7: Quiz 1

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Only females can be carriers of sex-linked genetic disorders.

a)

True

b)

False

2.

Which is a sex-linked trait?

a)

Huntington's Disease

b)

Color blindness

c)

Cystic Fibrosis

d)

None.

3.

Females are more affected by sex-linked disorders.

a)

True

b)

False

4.

Two copies of the recessive allele must be present for the person to have the disorder.

a)

Autosomal Genetic Disorder

b)

Autosomal Dominant Disorder

c)

Autosomal Recessive Disorder

d)

None.

5.

Which of the following is a recessive disorder?

a)

cystic fibrosis

b)

huntington's disease

c)

down syndrome

d)

hemophilia

6.

If one of your parents has Huntington's, what is your chance of inheriting it?

a)

0%

b)

25%

c)

50%

d)

75%

e)

100%

7.

In autosomal recessive disorder, someone who is heterozygous for the alleles will not have a disease but will be a carrier.

a)

True

b)

False

8.

In autosomal recessive inheritance, all affected individuals are?

a)

Will be homozygous dominant

b)

Will be heterozygous

c)

Will be homozygous recessive

d)

Will be heterozygous recessive

9.

In autosomal dominant inheritance, all affected individuals are?

a)

Cannot be determined from the information given.

b)

will be homozygous recessive or heterozygous

c)

will be homozygous dominant or heterozygous

d)

will be heterozygous

10.

________ is a rare genetic disorder that causes the progressive breakdown of the nervous system.

a)

Hemophilia

b)

Color blindness

c)

Huntington's Disease

d)

None.

11.

Phenotype is NOT affected by many different factors.

a)

True

b)

False

12.

What type of inheritance do two alleles have if their traits mixed together?

a)

Incomplete Dominance

b)

Codominance

c)

Polygenic Traits

d)

Epistasis

13.

This is an example of?

a)

Polygenic Traits

b)

Codominance

c)

Incomplete Dominance

d)

Epistasis

14.

A calico cat shows both the traits of orange fur and black fur. What kind of allele expression is this?

a)

Incomplete Dominance

b)

Codominance

c)

Polygenic Traits

d)

Epistasis

15.

___________ are produced by two or more genes.

a)

Incomplete Dominance

b)

Codominance

c)

Polygenic traits

d)

Epistasis

16.

A situation where an epistatic gene overshadows all the other genes.

a)

Incomplete Dominance

b)

Codominance

c)

Polygenic Traits

d)

Epistasis

17.

Characterized by a lack of pigment in the skin, hair, and eyes.

a)

Albinism

b)

Skin Cancer

c)

Chicken pox

d)

None.

18.

Cool Sea Turtle: Eggs mature in warmer temperatures will develop into __________ turtles.

a)

Male

b)

Turtles

c)

Female

d)

Tortoise

19.

Cool Sea Turtle: Eggs mature in cooler temperatures will develop into __________ turtles.

a)

Female

b)

Male

c)

Turtle

d)

Tortoise

20.

Which of the following codes for blood type O?

a)

IA IA

b)

IB i

c)

IA IB

d)

ii