Non-Mendelian Genetics (Co, In, Multiple A, X-Linked, Pedigrees)

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

Snap dragon color is a incomplete dominant trait.  A red flower (RR) is crossed with white flower (rr)? What color are flowers that are Rr?

• Red
• Red and White
• White
• Pink

Tags

NGSS.HS-LS3-2

In butterfly bushes, dark purple and pink parents will produce offspring with lavender flowers. This is a result of 

• codominance
• incomplete dominance
• complete dominance
• recessive dominance

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Blood type is determined by _______ alleles

• One
• Two
• Multiple

Black and white checkered chickens is an example of ______.

• Codominance
• Incomplete dominance.
• Polygenic characteristics

Controlled by more than one gene.

• Codominance
• Incomplete dominance.
• Polygenic characteristics

Some flowers are controlled by codominance. Red flowers (RR), blue flowers (BB) and Speckled flowers (RB).

Cross a red flower with a speckled flower. What is the phenotypic ratio?

• 2 red, 2 speckled

• 2 red, 2 blue

• 2 blue, 2 speckled

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Incomplete dominance or co-dominance?
A calico cat shows both the traits for orange fur and black fur. 

• Incomplete Dominance

• Co-dominance

• Complete dominance

• Mendelian dominance

A breed of chicken shows incomplete dominance for feather color. One dominant allele codes for black feathers, another dominant allele codes for white feathers. The feathers of heterozygous chickens of this breed will be....

• all black

• all white

• all gray

• speckled black and white

Tags

NGSS.HS-LS3-1

A man with type O blood is accused of being the father of a type B baby. The mother is type A. Could this man be the father?

• Yes

• No

• Maybe

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2