Heredity 2

Timothy is a fifth grade boy with brown hair. Neither of Timothy’s parents has brown hair. Which is the most likely reason Timothy has brown hair?

• Brown is Timothy’s favorite color.
• One of Timothy’s grandparents has brown hair.
• Timothy’s mother wanted him to have brown hair.
• Most of the boys in Timothy’s class have brown hair.

Which is a learned characteristic?

• dimples
  
• eye color
• hair color
• reading music
  

Which trait does a cactus seedling inherit from its parents?

• the amount of water it absorbs
  
• the length of its spines
  
• the type of organism that pollinates its flowers
• the number of organisms that consume its fruit

Meg and her mother are both tall with black hair and blue eyes. They are also great cooks. Which characteristic is most likely learned?

• height
• eye color
• hair color
• cooking skills

Jonathan observes two birds on the beach. One bird has a long, narrow beak while the other bird has a short, thick beak. Which best explains why the two birds have different types of beaks?

• The birds have the same parents.
• The birds live in different environments.
• The birds are members of different species.
• The birds eat different food.

A science class is observing a gerbil. The gerbil has brown fur. Which of these is the best explanation for the gerbil’s brown fur?

• The gerbil had a parent with brown fur
• The gerbil eats food that gives it a brown color.
  
• The gerbil has fur that changes color to blend in.
  
• The gerbil is exposed to large amounts of sunlight.
  

Tags

NGSS.MS-LS3-1

Which of the following characteristics is an acquired trait?

• height
• hair color
• language 
• eye shape

Which is an example of a learned characteristic?

• color of a dog’s fur
  
• color blindness of a person
• ability of a mouse to run a maze
  
• a person’s ability to roll their tongue

Which of these is an inherited trait?

• dimples
• long hair
  
• favorite color
• driving ability

Bunny A’s fur is all brown, while his brother and sisters are half brown and half white. The bunnies’ father is all brown, and the mother bunny is half brown and half white. Which best describes why Bunny A has brown fur?

• The bunny inherited a brown fur characteristic from each parent. 
• The bunny inherited a white fur characteristic from each parent. 
• The bunny rejected the white characteristics from its mother.
• The bunny rejected the brown characteristics from its father.