wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

7th Grade Science U3 Vocabulary

Total questions: 11

Worksheet time: 6mins

Name
Class
Date
1.

What is the definition of "Chromosomes"?

a)

Unit that carries genetic information in form of genes

b)

Children, babies or clones.

c)

Pineapple doesn't go on pizza.

d)

Gene that is expressed or seen when paired with the same recessive trait. Represented by a lowercase letter.

2.

What is the definition of "Offspring"?

a)

Types of genes that are the same.

Example: "AA"

b)

Basic unit of heredity passed from parent to offspring.

c)

Types of genes that are different.

Example: "Aa"

d)

Children, babies or clones.

3.

A (a)   is what is seen or expressed by genes.

4.

What is the definition of "Gene"?

a)

One of a pair of genes represented by a single letter

b)

Represents an organism's complete set of genes.

c)

Basic unit of heredity passed from parent to offspring.

d)

Unit that carries genetic information in form of genes

5.

What is the definition of "Heterozygous"?

a)

One of a pair of genes represented by a single letter

b)

Gene that is expressed or seen, can be paired with Dominant or recessive traits. Represented by a capital letter.

c)

A set of genes that is shown with two different characters.

Example: "Aa"

d)

A set of genes that is shown with two of the same characters.

Example: "AA"

6.

This represents an organism's complete set of genes.

a)

Genes

b)

Alleles

c)

Genotype

d)

Phenotype

7.

What is the definition of "Domiant Trait"

a)

Gene that is expressed or seen, can be paired with Dominant or recessive traits. Represented by a capital letter.

b)

Gene that is expressed or seen when paired with the same recessive trait. Represented by a lowercase letter.

c)

Deoxyribonucleic acid (abbreviated DNA) is the molecule that carries genetic information for the development and functioning of an organism. DNA is made of two linked strands that wind around each other to resemble a twisted ladder — a shape known as a double helix.

d)

A trait that doesn't show.

8.

What is the definition of "DNA"?

a)

The molecule that carries genetic information for the development and functioning of an organism. It is made of two linked strands that wind around each other to resemble a twisted ladder — a shape known as a double helix.

b)

One of a pair of genes represented by a single letter

c)

Gene that is expressed or seen when paired with the same recessive trait. Represented by a lowercase letter.

d)

What is seen or expressed by genes.

9.

What is the definition of "Recessive Trait"?

a)

Gene that is expressed or seen, can be paired with Dominant or recessive traits. Represented by a capital letter.

b)

Basic unit of heredity passed from parent to offspring.

c)

Traits that always show.

d)

Gene that is expressed or seen when paired with the same recessive trait. Represented by a lowercase letter.

10.

What is the definition of "Allele"?

a)

Represents an organism's complete set of genes.

b)

Basic unit of heredity passed from parent to offspring.

c)

Gene that is expressed or seen when paired with the same recessive trait. Represented by a lowercase letter.

d)

One of a pair of genes represented by a single letter

11.

What is the definition of "homozygous"?

a)

Genes that are represented with two of the same character.

Example: "AA"

b)

One of a pair of genes represented by a single letter

c)

Genes that are represented with two different characters.

Example "Aa"

d)

Gene that is expressed or seen, can be paired with Dominant or recessive traits. Represented by a capital letter.