Heredity

In a flowering plant species, red flower color (R) is dominant over white flower color (r). What is the genotype of any red-flowering plant resulting from this species?

• rr
• R
• RR
• RR or Rr

A green pea plant (GG) is being crossed with a green pea plant (Gg). What is the resulting phenotype?

• 100 % rainbow

• 50% yellow and 50% green

• 100% green

• 100% yellow

How many alleles (letters) does each person carry for a trait?

• 1

• 2

• 3

• 4

What ratio of the offspring from the cross shown will be homozygous recessive for the  trait of tallness? 

• 0 in 4
• 1 in 4
• 2 in 4
• 4 in 4

What are the possible phenotype(s) of the offspring? (A-Brown hair; a-blond hair)

• 50 % Brown Hair and 50% Blond Hair

• 25 % Brown Hair and 75% Blond Hair

• 75 % Brown Hair and 25% Blond Hair

• 0% Brown Hair and 100% Blond Hair

In a certain species of plant, the color purple (P) is dominant to the color white (p).

According to the Punnett Square, what is the probability of an offspring being purple?

• 25%

• 0%

• 100%

• 50%

What genotype would go in box 2?

• BB
• Bb
• bb

Tags

NGSS.HS-LS3-1

What is the probability of heterozygous offspring?

• 0%

• 100%

• 50%

• 25%

What allele combination should go in the missing box?

• AA
• Aa
• aa
• none of these

_____________________ is the appearance of an organism, or how it looks

• phenotype
• ratio
• recessive trait
• heredity