Types of Dominance

A man that is heterozygous for type A blood (I^Ai) has a child with a woman that is heterozygous for type B blood (I^Bi). What will be the ratio of blood types in the offspring?

• 0 AB : 2 A : 2 B : 0 O

• 1 AB : 1 A : 1 B : 1 O

• 2 AB : 1 A : 1 B : 0 O

• 0 AB : 1 A : 1 B : 2 O

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

A man that has type AB blood (I^AI^B) has children with a woman that is heterozygous for type A blood (I^Ai). What percentage of offspring will have type B blood?

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

A woman with type AB blood marries a man with type O blood and they have several children. What fraction of offspring will have type A blood?

• 1/4

• 2/4

• 1/2

• 3/4

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following is an example of complete dominance?

• A green guinea pig and a white guinea pig mate. They have only green offspring.

• A blue flower and a white flower cross. Their offspring has white petals with blue dots.

• A yellow octopus mates with a blue octopus and their offspring are green.

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Genetics

In pea plants, the tall allele is dominant to the short allele. What key would demonstrate this?

• Tall = T
  Short = S

• Tall = T
  Short = t

• Tall = t
  Short = T

• Tall = TT
  Short = tt

Tags

NGSS.HS-LS3-1

Curly hair (H) is dominant to straight hair (h).

State the genotype(s) for curly hair.

• HH only

• hh only

• Hh only

• Both HH and Hh

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Based on the genotypes present in this Monohybrid Punnett square, which eye color is dominant?

• brown

• blue

Tags

NGSS.HS-LS3-1

The dominant trait is

• yellow pea seeds

• green pea seeds

• there is no dominant seed

• Jolly green giant

Tags

NGSS.HS-LS3-1

gene that covers up another form of the trait; the "winning" trait; shown with a capital letter

• dominant

• recessive

• parent

• genotype

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Free earlobes (F) are dominant to attached earlobes (f).

State phenotype for Ff.

• free earlobes

• attached earlobes

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2