Genes

​Genes: What you carry from one generation to the next.

Jeans: What you carry from one place to the next.

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What are in your Jeans/Genes?!!!

GENES ARE WHO YOU ARE!

​NOT YOUR JEANS

Genetics is the study of genes. Our genes carry information that gets passed from one generation to the next.

Ex. Genes are why one child has blonde hair like their mother and their sibling having brown hair like their father.

Multiple Choice

How many chromosomes does every normal cell have?

• 23

• 12

• 32

• 46

​Genes are sections of DNA that are found inside every human cell.

​​DNA

​DNA is tightly wrapped together in structures called chromosomes.

​​Chromosomes

​DNA is made of 4 chemicals that form pairs in different combinations. Combinations create codes for different genes.

Each person has about 20,000 genes.

​​Combinations

Multiple Choice

How many chemicals do DNA form to make different combinations?

• 8

• 4

• 23

• 20,000

Multiple Choice

Which chromosome does the female have?

• Y

• X

• X and Y

• X and X

Fill in the Blanks

Genetics is the study of?

The 23rd pair is the sex chromosome. This determines if a baby will be male or female.

Females have 2 X chromosomes

Males have 1 X and 1 Y chromosome

​X and Y

22 pairs of chromosomes are the same in males and females.

​Autosomes

What is a Chromosome?