Monohybrid Cross Lesson

Multiple Choice

Type of allele that may mask the effect of others, represented by capital letters

• dominant

• recessive

Multiple Choice

Is aa Heterozygous or homozygous?

• Heterozygous

• Homozygous

Match

Match!

• AA

• Pp

• bb

homozygous dominant

heterozygous

homozygous recessive

• homozygous dominant

• heterozygous

• homozygous recessive

Multiple Select

What genotype?

Purple flowers, purple is dominant.

P = purple, p = white

• PP

• Pp

• pp

• ff

Multiple Choice

What phenotype of corn plants, tall or short?

T = dominant, t = recessive

TT

• tall

• short

• medium

Multiple Choice

What are the expected phenotypes of the offspring?

(A-Brown fur color; a-white fur color)

• 50% Brown fur and 50% White fur

• 25% Brown fur and 75% White fur

• 75% Brown fur and 25% White fur

• 0% Brown fur and 100% White fur

Multiple Choice

B = brown fur  b = white fur
In the Punnett square, what is the probability for white fur? 

• 0%
• 25%
• 50%
• 75%

Multiple Choice

What are the possible genotypes for this cross?
(Click the picture to see it without the text)

• TT = 25% Tt= 50% tt=25%
• all tall
• TT= 75% tt = 25%
• Tt = 100%