Genetics Review

An offspring will receive how many alleles from each parent to determine a specific trait?

• one
• two
• three
• five

Tags

NGSS.HS-LS3-1

Which of the following is a phenotype?

• BB
• Bb
• bb
• Blue eyes

Tags

NGSS.HS-LS4-4

Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?

• 0 %
• 25%
• 50%
• 75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

Snapdragon flowers come in red, pink and white.  What type of inheritance is this?

• Complete Dominance
• Incomplete Dominance
• Codominance
• Polygenic Inheritance

Brown fur color is dominant over black fur color. Which of the following is the actual genotype of ALL of the offspring in the next generation of this cross for fur color?
AA x aa

• AA
• Aa
• aa
• brown fur

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

 Dominant alleles are-

• capital
• lowercase
• both
• neither

 Recessive alleles are-

• capital
• lowercase
• both
• neither

Tt is-

• homozygous dominant
• homozygous recessive
• heterozygous
• none of these

When you cross two parents, each parent is responsible for passing _______ of their two alleles for each individual trait.

• 1

• 2

• 3

• 4

Tags

NGSS.HS-LS3-1

Grey (G) fur is dominant to brown (g) fur in mice. What would be the genotype of a mouse that is homozygous dominant?

• GG

• Gg

• gg

• GGG

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2