A
Which trait is inherited?
A. A scraped knee
B. Blue eyes
C. A haircut
D. A broken arm
B. Blue eyes
Which trait is acquired?
A. Eye color
B. Freckles
C. A scar
D. Hair texture
C. A scar
Which trait are you born with?
A. A tan
B. A bruise
C. Curly hair
D. Pierced ears
C. Curly hair
Straight hair is best described as —
A. learned
B. acquired
C. inherited
D. practiced
C. inherited
A baby kitten has soft fur like its parents. This trait is —
A. acquired
B. inherited
C. learned
D. temporary
B. inherited
Which trait can change because of choices or actions?
A. Freckles
B. Eye shape
C. Muscle strength
D. Height potential
C. Muscle strength
Which of these is NOT inherited?
A. Skin color
B. Eye color
C. Hair color
D. A sunburn
D. A sunburn
Which trait is passed from parents to offspring?
A. A sprained ankle
B. A bruise
C. Dimples
D. A scar
C. Dimples
Which trait is acquired after birth?
A. Blood type
B. Brown eyes
C. Calluses on hands
D. Eye shape
C. Calluses on hands
Why is eye color an inherited trait?
A. It can be changed
B. It is passed down from parents
C. It develops from exercise
D. It is learned at school
B. It is passed down from parents
Which pair is matched correctly?
A. Scar – inherited
B. Freckles – acquired
C. Hair texture – inherited
D. Suntan – inherited
C. Hair texture – inherited
A student says, “I have strong legs because my parents were athletes.” Which statement best explains this claim?
A. Strong muscles are always inherited
B. Exercise has no effect on muscles
C. Muscle strength is only an acquired trait
D. Muscle strength can be influenced by both inherited traits and acquired traits
D. Muscle strength can be influenced by both inherited traits and acquired traits
A child and their parent both have curly hair. Which conclusion is most reasonable?
A. The child learned curly hair
B. Curly hair is an acquired trait
C. Curly hair is likely inherited
D. Curly hair changes because of age
C. Curly hair is likely inherited
Which pair of traits best shows the difference between inherited and acquired traits?
A. Blood type and height
B. Eye color and a scar
C. Freckles and hair color
D. Muscle tone and strength
B. Eye color and a scar
A teacher shows two plants grown from the same seeds. One plant is taller because it received more water. This difference is best explained by
A. inherited traits only
B. acquired traits caused by environment
C. traits passed on by parents
D. traits that cannot change
B. acquired traits caused by environment
Which trait would most likely be affected by nutrition?
A. Blood type
B. Eye shape
C. Height growth
D. Dimples
C. Height growth
A student believes that scars are inherited because some families have similar marks. What is the best correction?
A. Scars are caused by injuries, not DNA
B. Scars form before birth
C. Scars are controlled by parents
D. Scars are learned traits
A. Scars are caused by injuries, not DNA
A student says, “Haircuts are inherited because everyone in my family has short hair.” What is wrong with this statement?
A. Hair length is learned
B. Haircuts are choices, not genetic traits
C. Hair length never changes
D. Hair is not a physical trait
B. Haircuts are choices, not genetic traits
Which conclusion is best supported by science?
A. Traits must be either inherited or acquired, never both
B. Environment has no effect on physical traits
C. Some traits depend on genes and environment
D. Acquired traits are passed to children
C. Some traits depend on genes and environment
Why can identical twins look different as they grow older?
A. Their inherited traits change
B. Their DNA becomes different
C. Their acquired traits can change
D. Their genes stop working
C. Their acquired traits can change
A student gets freckles after spending time in the sun. Which statement best describes freckles in this situation?
A. They are completely acquired
B. They are controlled only by environment
C. They are influenced by inherited traits and environment
D. They are learned behaviors
C. They are influenced by inherited traits and environment
Which question would help a scientist determine if a trait is inherited?
A. Does the trait change every day?
B. Is the trait present in family members?
C. Can the trait be learned?
D. Does the trait depend on practice?
B. Is the trait present in family members?
Two plants come from the same seeds. One grows taller because it received more sunlight. The difference is due to —
A. inherited traits
B. learned traits
C. environmental factors
D. parental traits
C. environmental factors
A student claims calluses are inherited because many family members have them.
What is the BEST scientific response?
A. Calluses are learned behaviors
B. Calluses result from repeated physical activity
C. Calluses are controlled by DNA
D. Calluses appear at birth
B. Calluses result from repeated physical activity
Which statement BEST summarizes the relationship between inherited traits, acquired traits, and environment?
A. All physical traits are inherited
B. Acquired traits cannot change
C. Some traits are genetic, others are influenced by environment
D. Environment replaces inherited traits
C. Some traits are genetic, others are influenced by environment