Beyond Dominant & Recessive Alleles 2

A single gene has 3 or more alternative forms. These are called

• heterozygotes

• multiple alleles

• epistatic

• polygenic

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-LS3-3

This is an example of ___________?

• Incomplete dominance
• Co-Dominance

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Check all that apply.

Human ABO blood type is a _________ trait.

• multiallelic

• polygenic

• codominant

• X-linked

The following picture represents what pattern of inheritance?

• Complete dominance
• Incomplete dominance
• Co-dominance
• Sex-linked inheritance

Tags

NGSS.HS-LS3-1

A woman has type B blood and her husband has type O blood.  What must be the woman's genotype, if they have a child with type O blood?

• BO
• BB
• OO
• type B

Tags

NGSS.HS-LS3-1

What determines gender in humans? 

• the X and Y chromosome
• chromosome 21
• codominance
• epistasis

Tags

NGSS.HS-LS3-1

The different forms of a gene are called

• traits

• pollinators

• alleles

• hybrids

Tags

NGSS.HS-LS3-1