Genetic Inheritance

Red is dominant to white for flower color in a particular plant. If a red flowered plant (RR) is crossed with a white flowered plant (rr), what color will the offspring be?

• 100% pink

• 100% red

• 50% white, 50% red

• 100% white

Tags

NGSS.HS-LS3-1

In a certain species of rabbits, black coat color is dominant over brown coat color. What is the probability of producing a rabbit with brown coat color from two rabbits that are both heterozygous with black coat color?

• 100%

• 50%

• 25%

• 0%

Tags

NGSS.HS-LS3-3

Scott was looking at the results of a cross between red and white flowers. Which is the most likely result of a cross that demonstrates incomplete dominance?

• 0% pink flowers

• 25% white flowers

• 25% white flowers

• 100% pink flowers

Which of the following is influenced by both genetics and behavior?

• eye color

• hair texture

• blood type

• body weight

Tags

NGSS.HS-LS2-8

The flower petals of a hydrangea plant change color as the acidity of the soil changes. The color changes are directly related to which factor?

• gravitropism

• photosynthesis

• geographic location

• environmental conditions

Tags

NGSS.MS-LS1-5

Which of the following is caused by nondisjunction?

• baldness

• sickle cell

• trisomy 21

• blue eyes

Tags

NGSS.HS-LS3-2

Which characteristic is least likely to be affected by an individual’s environment?

• height

• weight

• skin color

• eye color

Tags

NGSS.HS-LS4-5

Colorblindness is a recessive X-linked disorder.

Which genotype represents a male with normal vision?

• X^N Y^N

• Xⁿ Yⁿ

• X^N Y

• Xⁿ Y

Tags

NGSS.HS-LS3-1

What is the genotype of a person with type A blood, who had a father with type O blood?

• AB
• AO
• AA
• OO

Tags

NGSS.HS-LS3-1

Examples include skin color and height (the individual's phenotype exists somewhere along a spectrum)

• polygenic inheritance

• multiple alleles

• linked genes

• incomplete dominance

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3