Chromosomes are thread-like structures found in the nucleus of animal and plant cells. They are made of protein and a single molecule of DNA. Genes are segments of DNA that contain the instructions for building specific proteins, which determine our traits. Think of chromosomes as the chapters in a book (our DNA), and genes as the individual sentences that tell a story about us!
This worksheet will help you understand the relationship between chromosomes and genes through vocabulary matching, fill-in-the-blanks, and critical thinking.
Match each term with its definition:
| Term | Definition |
|---|---|
| 1. Gene | A. A thread-like structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes. |
| 2. Chromosome | B. The process of cell division that results in two identical daughter cells. |
| 3. DNA | C. A unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring. |
| 4. Mitosis | D. A molecule containing the genetic information that determines the structure of a cell, what functions it can perform, and the characteristics of living things. |
| 5. Heredity | E. The passing on of traits from parents to their offspring. |
Fill in the blanks with the correct words from the word bank below.
Word Bank: DNA, Genes, Chromosomes, Traits, Nucleus
__________ are structures made of __________ that carry genetic information. The units of heredity are called __________, which determine our __________. These structures are found inside the __________ of a cell.
If a person has a genetic disease, is it possible to change their chromosomes or genes to cure the disease? Explain your answer.
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