Diff Types of Dominance

In pea plants, round seeds (R) are dominant to wrinkled seeds (r). Which of the following represents the genotype of a pea plant that is heterozygous?

• RR

• round

• Rr

• wrinkled

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

In pea plants, round seeds (R) are dominant to wrinkled seeds (r). Which of the following represents the genotype of a pea plant that is homozygous dominant?

• RR

• round

• Rr

• wrinkled

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

In pea plants, round seeds (R) are dominant to wrinkled seeds (r). Which of the following represents the phenotype of a pea plant that is heterozygous?

• RR

• round

• Rr

• wrinkled

In mice, black fur (B) is dominant to white fur (b). According to the Punnett square shown, how many offspring would be white?

• 0

• 1

• 2

• 3

• 4

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

In mice, black fur (B) is dominant to white fur (b). According to the Punnett square shown, what is the phenotypic ratio of the offspring?

• 1:1

• 4:0

• 1:2:1

• 3:1

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What type of dominance is represented using the same letters but one allele is capital and the other is lower case?

• Complete Dominance

• Incomplete Dominance

• Codominance

What type of inheritance do two alleles have if their traits can blend together? 

Ex. traits: red, white, or pink(blend of red and white)

• Incomplete Dominance
• Co-Dominance
• Mendelian Inheritance
• Homozygous Inheritance

A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?

• Incomplete Dominance
• Co dominance
• Independent assortment
• Recessive inheritance

A red flowered plant (RR) breeds with a White flowered plant (WW). The gene for petal color in these plants expresses incomplete dominance.  What percentage of the offspring will have pink (RW) flowers?

• 0%
• 25%
• 50%
• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

An allele whose trait only shows up when no dominant allele is present.

• hidden allele
• dominant allele
• recessive allele
• present allele