Study Guide

Unit 3 Genetics

1. Ms. Bradley has blue eyes and brown hair. Which is most likely true? (GPS.05.SC.CS.LS.S5L2.b)

  1. Neither of Ms. Bradley’s mom or dad have brown hair and blue eyes.
  2. Both of Ms. Bradley’s mom and dad have brown hair and blue eyes.
  3. One of Ms. Bradley’sparents has brownhair and blue eyes.
  4. Both Ms. Bradley’s mom and dad have green eyes and blond hair.

2. Luke is tall. Which of these is most likely true? (GPS.05.SC.CS.LS.S5L2.a)

  1. Luke wears stilts
  2. Luke’s mom and dad are tall.
  3. Luke has learned to look tall.
  4. It’s really an optical illusion.

3. Which of the following is learned behavior? (GPS.05.SC.CS.LS.S5L2.a)

  1. Making the right choices about eating.
  2. Closing your mouth when you go under water.
  3. Shivering when it’s cold.
  4. Being born with heart defect.

4. Your hair color and sleep habits are two traits that are:(GPS.05.SC.CS.LS.S5L2.a)

  1. influenced by your environment
  2. Inherited
  3. both a and b
  4. none of these answers

5. Which of the following is a one of Maceo’s learned behaviors?(GPS.05.SC.CS.LS.S5L2.a)

A. rolling his tongue

B. having black hair

C. using his helmet when he rides a bike

D. having attached ear lobes

6. Which of these is an example of heredity?(GPS.05.SC.CS.LS.S5L2.a)

  1. Trevion learning how to make bracelets.
  2. a football player able to run a difficult play.
  3. a student memorizing the names of states and capitals.
  4. a cat with long fur and extra toes.

7. What are inherited traits?(GPS.05.SC.CS.LS.S5L2.a)

A. traits that are passed down from parents to their offspring

B. traits that your Ms. Sleddteaches you

C. traits that are imitated

D. traits that are learned

8.When will a recessive trait show its effect?(GPS.05.SC.CS.LS.S5L2.b)

A. even if no parents have recessive traits.

B. in the presence of dad having a recessive gene

C. when two recessive genes are present

D. only when grandmother has a recessive gene

9. Which of the following cannot be inherited from your parents?(GPS.05.SC.CS.LS.S5L2.a)

A. skin color

B. vision

C. size of teeth

D. Jade’s jumping ability

10. Complete the Punnet Square below for the fourth offspring genes. (GPS.05.SC.CS.LS.S5L2.b)

T T

Tt / Tt
Tt

11. Two brothers have brown eyes and are thin. Which is most likely true? (GPS.05.SC.CS.LS.S5L2.a)

  1. They inherited their eye color and weight from their parents.
  2. They inherited their eye color from their parents.
  3. They inherited their thinness from their parents.
  4. None of the above.

12. We know that Inherited traits are passed down in:(GPS.05.SC.CS.LS.S5L2.a)

  1. Only frogs and puppies
  2. Humans and Plants
  3. Aliens beings from a Galaxy far, far away
  4. Animals only

13. What of the following statements is correct? (GPS.05.SC.CS.LS.S5L2.b)

  1. Two dominate genes makes a Recessive trait
  2. Two recessive genes makes a Dominate trait
  3. Two boys named Gene do the hokey pokey
  4. A dominate and a recessive gene make a trait

14. In a Punnett square the capital letter (T) stands for a ______(GPS.05.SC.CS.LS.S5L2.b)

  1. Recessive gene
  2. Dominate gene
  3. T-Bone gene
  4. None of the above

15. In a Punnett square the lower case letter (t) stands for a ______(GPS.05.SC.CS.LS.S5L2.b)

  1. Recessive gene
  2. Dominate gene
  3. T-Bone gene
  4. None of the above

16. What is the best way to reasonably predict what a kitten will look like?GPS.05.SC.CS.LS.S5L2.b)

  1. Look at pictures of the kitten’s mother
  2. Look at pictures of the kitten’s father
  3. Look at pictures of both the kitten’s mother and the father.
  4. Take a movie of kittens in the Grand Canyon.

17. Which statements are NOT true about parents and their offspring?(GPS.05.SC.CS.LS.S5L2.b)

A. The offspring will resemble the parents less as they get older.

B. The offspring have characteristics similar to both parents.

C. The offspring are identical to one parent.

D. A and C

18. A blue - eyed girl has a blue - eyed mother. Which is most likely true?(GPS.05.SC.CS.LS.S5L2.b)

A. Thegirl’s mother has greenish- blue eyes.

B. The girl’s mother has brown eyes.

C. The girl’s siblings have blue eyes.

D. Thegirl ’s father had blue eyes.

19. Why do we use Punnett squares?(GPS.05.SC.CS.LS.S5L2.b)

A. to make ordering French Fries easier

B. to make genetic predictions

C. to show exactly what offspring will look like

D. to arrange the genes in order to clone Phineas and Ferb.

20. Which of the following cannot be inherited from your parents?(GPS.05.SC.CS.LS.S5L2.a)

  1. Blue eyes
  2. Black hair
  3. Brown skin
  4. Skill in gymnastics

22. Read the chart below and use the information to answer the following three questions.(GPS.05.SC.CS.LS.S5L2.a)

Rudolf (Dolfy’s Dad) / Dolfy (Rudolf’s son)
Brown fur / Tan fur
Ability to fly / Ability to fly
Classical music / Country music
Red nose / Red nose
Likes to speed skate / Likes to speed skate

A. Name a characteristic that Dolfy most likely inherited from his mother.

______

B. Explain why that characteristic was most likely inherited from his Mother.

C. Identify a characteristic that Dolfy did NOT inherit from his parents.

______