Introduction to Heredity
Explore the basics of heredity, DNA, genes, and how traits are passed from parents to offspring.
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Introduction to Heredity
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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 traits are passed from parents to their offspring?
Photosynthesis
Heredity
Respiration
Digestion
2. Which of the following carries the genetic information in the cell?
Protein
Lipid
DNA
Carbohydrate
1. The basic unit of heredity is a .
2. Different forms of a gene are called .
3. The observable characteristics of an organism are called its .
1. All living organisms contain DNA.
True
False
2. Genes are located on chromosomes.
True
False
3. The image below shows a model of DNA. Describe the key features of its structure.

1. Explain the difference between a genotype and a phenotype.
2. How many chromosomes do humans typically have in each body cell?
Use the words below to complete the sentences.
1. A different form of a gene is called an .
2. An organism with two identical alleles for a trait is .
3. A trait that always shows up when the allele is present is called .