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Introduction to Heredity

Explore the basics of heredity, DNA, genes, and how traits are passed from parents to offspring.

Grade 7 Science BiologyIntroduction to Heredity
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Includes

Multiple ChoiceFill in the BlanksTrue / FalseShort AnswerWord Bank

Standards

MS-LS3-1MS-LS3-2

Topics

hereditygeneticsDNAtraitsalleles
7 sections · Free to use · Printable
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Introduction to Heredity

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Date:

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Read each question carefully and answer to the best of your ability. Good luck!

1. What is the process by which characteristics are passed from parents to offspring?

a

Evolution

b

Heredity

c

Photosynthesis

d

Respiration

2. Which of the following is considered the blueprint of life and carries genetic information?

a

Protein

b

Lipid

c

DNA

d

Carbohydrate

3. A segment of DNA that codes for a specific trait is called a  .

4. Different forms of the same gene are known as  .

5. The observable characteristics of an organism are referred to as its  .

6. All traits are inherited directly from parents.

T

True

F

False

7. DNA is found in the nucleus of eukaryotic cells.

T

True

F

False

8. Describe the basic structure of a DNA molecule. You may refer to the diagram below.

DNA Double Helix

9. Explain the difference between genotype and phenotype.

Use the words below to complete the sentences.

Chromosome
Recessive
Dominant
Homozygous

10. A trait that always shows up when its allele is present is called  .

11. An organism with two identical alleles for a trait is described as  .

12. Tightly coiled structures of DNA found in the nucleus are called  .