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The Family with Brown Eyes: A Tale of Genetics
Have you ever wondered why we look the way we do? It's all because of genetics! Let's imagine a family. Mom has brown eyes and Dad has blue ones. They have two kids, both with brown eyes! Why is this? Brown eyes are 'dominant' and blue eyes are 'recessive'. This means the brown eye gene overpowers the blue eye gene. That's why the kids have brown eyes. In the grand adventure of genetics, sometimes an eye color, a hair curl, or how tall we become, can all be decided by these powerful things called genes!
Question 1
What does 'dominant' mean in the context of genetics?
The least powerful gene
The most common gene
The gene that is always present
The gene that overpowers the other
Explanation. 'Dominant' in genetics refers to the gene that expresses itself over the other gene
The recessive gene
Question 2
Why do the kids in the text have brown eyes?
Because their mother has blue eyes
Because brown eyes are recessive
Because brown eyes are dominant
Explanation. The kids have brown eyes because the brown eye gene is dominant and it overpowers the blue eye gene
Because blue eyes are dominant
Because their father has blue eyes
Question 3
What is a 'recessive' gene?
A gene that overpowers the other
A gene that is always present
A less powerful gene
Explanation. A 'recessive' gene is a less powerful gene and is not expressed when paired with a dominant gene
The most common gene
The dominant gene
Question 4
What determines our physical characteristics according to the text?
Our parents' preferences
Our eating habits
Our genes
Explanation. According to the text, our physical characteristics are determined by our genes
Our surroundings
Our age
Question 5
What are the two types of genes mentioned in the text?
Powerful and weak genes
Common and rare genes
Brown and blue genes
Dominant and recessive genes
Explanation. The text mentions two types of genes - dominant and recessive genes
Active and passive genes
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