Middle School Genetics Review

What does DNA stand for?

• Denatured Acid
• Deoxynucleic Acid
• Deoxyribonucleic Acid
• Dentureneeding Aardvark 

Tags

NGSS.HS-LS1-1

How do we represent a purebred genotype?

• Two capital letters 
• Two lowercase letters 
• Two X's
• One capital letter and one lowercase letter

Tags

NGSS.HS-LS3-1

How do we represent a hybrid genotype?

• Two capital letters 
• Two small letters 
• One capital, one small letter 
• Two X's 

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is a genotype?

• A list of traits for an offspring
• The genes for an animal
• A physical characteristic of a plant or animal
• A set of letters we use to represent a trait

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is a phenotype?

• A physical characteristic of a plant or animal
• The study of physics
• The genes of a plant or animal
• The phylum an animal belongs to

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A heterozygous trait...

• Has two dominant genotypes 
• Has two recessive genotypes 
• Has one dominant and one recessive genotype
• Is indicated with an "x"

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A homozygous trait...

• Can have two dominant or two recessive genotypes
• Has two recessive genotypes 
• Has one dominant and one recessive genotype
• Is indicated with an "x"

Tags

NGSS.HS-LS3-1

How can you tell which gene is dominant in a Punnett Square? 

• It has a red mark on it
• It is represented in the middle of the Punnett Square 
• It is represented by a lowercase letter
• It is represented by a capital letter

Tags

NGSS.HS-LS3-1

Heterozygous or Homozygous? RR

• He
• Ho

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Heterozygous or Homozygous? Bb

• He
• Ho

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2