Genetics pt2 Quiz

What is the phenotype of a plant with the genotype RR in snapdragons?

• Red

• White

• Pink

• Blue

What is the phenotype of a plant with the genotype WW in snapdragons?

• Red

• White

• Pink

• Blue

What is the phenotype of a plant with the genotype RW in snapdragons?

• Red

• White

• Pink

• Blue

What is the predicted genotypic ratio for the offspring when two pink Four o'clock flowers (RW) are crossed?

• 1:2:1

• 3:1

• 1:1

• 2:1

What is the predicted phenotypic ratio for the offspring when two pink Four o'clock flowers (RW) are crossed?

• 1 red: 2 pink: 1 white

• 3 red: 1 white

• 1 red: 1 white

• 2 red: 1 pink

What are the genotypic ratios when a homozygous black bird is crossed with a homozygous white bird?

• 100% BW

• 50% BB, 50% WW

• 75% BW, 25% BB

• 25% BW, 75% WW

What is the phenotype of the offspring when a homozygous black bird is crossed with a homozygous white bird?

• All bluish-gray

• All black

• All white

• Half black, half white

What is the genotype for white chickens in the context of codominance?

• BB

• WW

• BW

• RR

What is the genotype for erminette chickens in the context of codominance?

• BB

• WW

• BW

• RR

If two erminette chickens are crossed, what is the probability that they would have a black chick?

• 0%

• 25%

• 50%

• 75%