Complete Dominance

Which of the following genotypes is dominant?

• AA

• Aa

• aa

• both AA and Aa

How would you write a homozygous dominant genotype?

• AA

• Aa

• aa

• either AA or Aa

Which of the following best describes the genotype "Rr"?

• recessive

• heterozygous

• purebred

• all of the above

Which of the following genotypes are homozygous?

• Aa

• BB

• dd

• BB and dd

If tall plants are dominant and short plants are recessive, how would you write the genotype for a homozygous tall plant?

• BB

• Bb

• bb

If black fur is dominant and white fur is recessive, what genotype would an organism with white fur have?

• FF

• Ff

• ff

Tags

NGSS.HS-LS3-1

If brown eyes are dominant and blue eyes are recessive, what color eyes do the parents in this Punnett Square have?

• one has brown eyes and the other has blue eyes

• they both have blue eyes

• they both have brown eyes

• there's no way to tell based on this information

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of these Punnett squares represents a cross between a homozygous dominant parent and a heterozygous parent?

• 
• 
• 
• 

Tags

NGSS.HS-LS3-2

In pea plants, being tall is dominant and being short is recessive. Two tall plants mate. One has the genotype Tt and the other has the genotype TT. What is the chance that they will have a tall offspring?

• 0%

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

If both parents have the genotype Aa, what is the chance their offspring will also have the genotype Aa?

• 0%

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3