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8.1 Genetics Vocab

Total questions: 15

Worksheet time: 5mins

Name
Class
Date
1.

What is a trait?

a)

A change in the DNA sequence of an organism

b)

A segment of DNA that contains instructions for a specific trait

c)

A characteristic or feature of an organism

d)

The transmission of genetic information from parents to offspring

2.

What does a mutation refer to?

a)

The scientific study of genes

b)

A measure of likelihood that a particular event will occur

c)

A segment of DNA that contains instructions for a specific trait

d)

A change in the DNA sequence of an organism

3.

What is genetics?

a)

A measure of the likelihood that a particular event will occur

b)

The transmission of genetic information from parents to offspring

c)

The scientific study of genes, heredity, and variation in living organisms

d)

A characteristic or feature of an organism

4.

What does heredity refer to?

a)

The transmission of genetic information and traits from parents to offspring

b)

One of the alternative forms of a gene

c)

The observable characteristics of an organism

d)

A change in the DNA sequence of an organism

5.

What is probability used for in genetics?

a)

To change the DNA sequence of an organism

b)

To describe a characteristic or feature of an organism

c)

To study the genes, heredity, and variation in living organisms

d)

To predict the likelihood of certain genetic outcomes or traits in offspring

6.

What is a gene?

a)

A segment of DNA that contains instructions for building and maintaining a specific biological function or trait

b)

The transmission of genetic information from parents to offspring

c)

A measure of the likelihood that a particular event will occur

d)

A change in the DNA sequence of an organism

7.

What is an allele?

a)

One of the alternative forms of a gene that occupies a specific position on a chromosome

b)

A measure of the likelihood that a particular event will occur

c)

The observable characteristics of an organism

d)

The genetic makeup of an organism

8.

What does genotype refer to?

a)

The observable characteristics of an organism

b)

A characteristic or feature of an organism

c)

The transmission of genetic information from parents to offspring

d)

The genetic makeup of an organism, including the combination of alleles present in its DNA

9.

What is phenotype?

a)

A measure of the likelihood that a particular event will occur

b)

The genetic makeup of an organism

c)

Observable or measurable characteristics of an organism

d)

A segment of DNA that contains instructions for a specific trait

10.

What does heterozygous mean?

a)

A change in the DNA sequence of an organism

b)

The transmission of genetic information from parents to offspring

c)

Two different alleles for a particular gene

d)

Two identical alleles for a particular gene

11.

What does homozygous mean?

a)

A characteristic or feature of an organism

b)

Two identical alleles for a particular gene

c)

The scientific study of genes, heredity, and variation in living organisms

d)

Two different alleles for a particular gene

12.

What is the role of DNA in genetics?

a)

To measure the likelihood that a particular event will occur

b)

To change its sequence in response to mutations

c)

To transmit genetic information from parents to offspring

d)

To contain instructions for building and maintaining specific biological functions or traits

13.

How is genetic information transmitted?

a)

From parents to offspring

b)

Through the study of genes, heredity, and variation

c)

Through mutations in the DNA sequence

d)

By the observable characteristics of an organism

14.

What determines the phenotype of an organism?

a)

The combination of alleles present in its DNA

b)

The study of genes and heredity

c)

The transmission of genetic information from parents

d)

The likelihood of certain genetic outcomes

15.

What is the significance of alleles in genetics?

a)

They occupy a specific position on a chromosome and are forms of a gene

b)

They determine the DNA sequence of an organism

c)

They are the only factor in determining an organism's phenotype

d)

They are used to predict the likelihood of genetic outcomes