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Genetics Quiz

Total questions: 15

Worksheet time: 11mins

Name
Class
Date
1.

Which of the following is a heterozygous genotype?

a)

BB

b)

Bb

c)

bb

d)

bB

2.

What is the chance of an offspring having a genotype of Bb if one parent is Bb and the other is bb?

a)

0%

b)

25%

c)

50%

d)

100%

3.

What is the significance of understanding genotype vs phenotype?

a)

It helps in identifying physical traits

b)

It is not important

c)

It only applies to plants

d)

It is only for scientists

4.

Which of the following is NOT an application of genotype knowledge?

a)

Improving healthcare

b)

Enhancing agriculture

c)

Developing new languages

d)

Predicting disease risks

5.

What is one of the benefits of genetic testing in healthcare?

a)

Predicting disease risks

b)

Increasing patient height

c)

Changing eye color

d)

Reducing hospital size

6.

What is a key benefit of genotype knowledge in science?

a)

Advancements in medicine

b)

Creation of new art forms

c)

Development of new languages

d)

Reduction of global warming

7.

What strengthens species by increasing survival chances?

a)

Migration

b)

Variation

c)

Isolation

d)

Competition

8.

What does evolution rely on for long-term success?

a)

Speed

b)

Diversity

c)

Size

d)

Strength

9.

Which of the following is a phenotype?

a)

Bb

b)

Blue eyes

c)

BB

d)

bb

10.

What does it mean if an organism is heterozygous?

a)

Two identical alleles (BB or bb)

b)

Two different alleles (Bb)

c)

Observable trait

d)

Genetic code

11.

What is the relationship between genotype and phenotype?

a)

Genotype determines phenotype

b)

Phenotype determines genotype

c)

They are unrelated

d)

Both are observable traits

12.

Click all of the homozygous genotypes.

13.
What are the parents' genotypes?
a)
Homozygous for brown eyes
b)
Heterozygous for brown eyes
c)
Homozygous for blue eyes
d)
Heterozygous for blue eyes
14.

1. Genetic screening is a procedure where a person’s DNA is analyzed to identify a genetic predisposition to lethal diseases. One advantage of genetic screening is that it allows doctors to prevent and treat diseases before patients have symptoms. Which of the following is a disadvantage of genetic screening?

a)
A. Genetic screening results could be used to determine inheritance patterns in families.
b)
B. The likelihood of a child contracting an inheritable disease could be predicted by genetic screening.
c)

C. A doctor could combine a patient’s current symptoms with genetic screening results to diagnose and treat the patient.

d)

D. Insurance companies could drop a patient’s medical coverage based on potential medical conditions.

15.
Hair colour is an example of
a)
genotype
b)
phenotype