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Chromosomal Mutations and Heredity Quiz

Total questions: 21

Worksheet time: 19mins

Name
Class
Date
1.
An example of a mutation where a piece of chromosome breaks off and attaches to another chromosome is called ___.
a)
trisomy
b)
translocation
c)
inversion
d)
deletion
2.

A piece of a chromosome is copied and remains within the chromosome

a)

deletion

b)

duplication

c)

inversion

d)

translocation

3.

A piece of the chromosome detches, turns 180 degrees, and reattaches

a)

deletion

b)

duplication

c)

inversion

d)

translocation

4.
Identify the mutation in the picture.
a)
Inversion
b)
Duplication
c)
Deletion
d)
Translocation
5.
Identify the mutation in the picture.
a)
Deletion
b)
Inversion
c)
Duplication
d)
Translocation
6.

By looking at the chromosomes is this individual biologically male or female? How do you know?

a)

Female, because they have two X chromosomes

b)

Male, because they have one X and one Y chromosome

7.

In African-violet plants, purple flowers are dominant to white flowers. You purchase an African-violet plant with white flowers. It's genotype could be represented as :

a)

PP

b)

Pp

c)

pP

d)

pp

8.

Two tall pea plants are crossed, producing 105 tall plants & 32 short plants. The genotypes of the tall parent plants are:

a)

Tt & Tt

b)

TT & Tt

c)

Tt & tt

d)

tt & tt

9.

In mice brown (B) is dominant to white (b). A brown mouse is mated with a white mouse. Twelve brown mice are produced. The brown mouse's genotype is:

a)

BB

b)

Bb

c)

bb

d)

a reliable conclusion can't be reached

10.

Two brown-eyed parents have a child with blue eyes. The best explanation is:

a)

a mutation occured before the child was born

b)

both parents carry the allele for blue eyes

c)

both parents are pure for brown eyes

11.

Individuals with the same phenotype have the same genotype

a)

TRUE

b)

FALSE

12.
When a person has two different alleles for a gene, they are said to be
a)
heterozygous
b)
homozygous
13.
This is an example of a ______________.
a)
phenotype
b)
genotype
c)
xenotype
d)
base pairs
14.
What are the possible genotypes for this cross?
a)
TT = 25% Tt= 50% tt=25%
b)
all tall
c)
TT= 75% tt = 25%
d)
Tt = 100%
15.
Tall is dominant to short. A homozygous tall plant is crossed with a short plant. What will be the phenotypes of the offspring?
a)
100% tall
b)
50% tall, 50% short
c)
75% tall, 25% short
d)
25% tall, 75% short
16.
Purple is dominant to white. A heterozygous purple flower is crossed with a white flower. What are the genotypes and phenotypes of the offspring?
a)
100% Pp (purple)
b)
50% Pp (purple); 50% pp (white)
c)
75% Pp (purple); 25% pp (white)
d)
25% PP, 50% Pp, 25% pp
75% purple, 25% white
17.

In order for someone to have Cri-du-Chat Syndrome, which chromosome has to be mutated?

a)

1st chromosome

b)

21st chromosome

c)

23rd chromosome

d)

5th chromosome

18.

Cri-du-Chat Syndrome is caused by a ________ mutation.

a)

Nondisjunction

b)

Transversal

c)

Deletion

d)

Insertion

19.

Cri-du-Chat Syndrome is also known as… (Select all that apply.)

a)

5p- Syndrome

b)

Trisomy 18

c)

"Cat Cry" Syndrome

d)

Down Syndrome

20.
What is the gender of the individual whose karyotype is seen in the image?
a)
Male
b)
Female
21.

Which of the following is considered person first language?

a)

Individual with down syndrome

b)

down syndrome person