Genetic Variation

What does variation mean?

• The same

• A change or difference

• Punnett squares

Tags

NGSS.MS-LS3-2

NGSS.MS-LS4-4

A dominant gene is...

• the stronger gene

• the weaker gene

A recessive gene is...

• the stronger gene

• the weaker gene

What types of letters represent dominant genes?

• 
• 

What types of letters represent recessive genes?

• 
• 

What are punnett squares used to do?

• predict the correct response

• help plants during photosynthesis

• predict possible gene combinations

• None are correct.

What color is recessive in this punnett square?

• Red (A)

• blue (a)

What color is dominant in this punnett square?

• Red (A)

• blue (a)

Tags

NGSS.HS-LS3-1

What are traits?

• physical characteristics or qualities of a living organism

• 4 squares used to predict genes and traits.

• A change or difference

• Parts of DNA that determine traits.

Tags

NGSS.MS-LS3-1

NGSS.MS-LS4-4

What are parts of DNA called?

• cells

• traits

• genes

• offspring

Tags

NGSS.MS-LS3-1