Genetics Unit Test

What is a trait?

• A type of organelle found within a cell.

• Our talents that make us behave the way we do

• Traits are the physical things that make us look the way we do, they may influence how we behave, and also our talents, abilities, and disease risks.

• Inheritable talents that are passed on in our families

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

How many Chromosomes do we inherit from our parents?

• 23 from dad and 23 from mom, or 46 total

• 13 from dad and 13 from mom, or 26 total

• 13 from dad and 33 from mom, or 46 total

Tags

NGSS.HS-LS3-1

In pea plants, the tall allele is dominant to the short allele. What key would demonstrate this?

• Tall = T

  Short = S

• Tall = t

  Short = T

• Tall = T

  Short = t

• Tall = TT

  Short = tt

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Identify the homozygous dominant genotype:

• FF

• Ff

• ff

What are genes?

• Something you wear

• The powerhouse of cells.

• Segments of DNA that carry traits for offspring.

• None of the answers are right

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following genotypes are purebred?

• Pf

• Bb

• BB

• pF

Which of the following is an example of phenotype?

• bb

• blue eyes

An organism's physical appearance or visible traits. (what it looks like)

• phenotype

• genotype

Tags

NGSS.HS-LS3-1

What allele combination should go in the missing box?

• aa

• AA

• Aa

• None

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is the phenotype of the offspring? (A-Brown hair; a-blond hair) 

• 50 % Brown Hair and 50% Blond Hair 

• 75 % Brown Hair and 25% Blond Hair 

• 25 % Brown Hair and 75% Blond Hair 

• 0% Brown Hair and 100% Blond Hair 

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2