Topic 4: Wearing Your Genes

Question 1

Heredity

Answer 1

• The passing on of traits from parents to their offsprings

Question 2

Genetics

Answer 2

• The branch of science that deals with heredity

Question 3

Continuous Variation

Answer 3

• Variation with a range of possibilities
  Ex. height, weight, hand size

Question 4

Discrete Variation

Answer 4

• Variation with a limited number of possibilities
  Ex. blood type, eye color, ability to curl tongue

Question 5

Dominant Trait

Answer 5

• Characteristic that shows up when mixed with a recessive characteristic
  Ex. curly hair, non ability to role tongue, brown eye color

Question 6

Recessive Trait

Answer 6

• Characteristic that will only show up when mixed with another recessive trait
• Will not show up when mixed with dominant trait
  Ex. blue eyes, ability to role tongue, straight hair

Question 7

Nature vs Nuture

Answer 7

• Not all traits are inherited. Traits like scars or injuries are not caused by genetics.
• Some traits like weight are changed with and without genetics

Question 8

Mutations

Answer 8

• Environmental factors that cause changes to the DNA

Question 9

Mutagens

Answer 9

• Chemicals that cause mutations
• Pregnant people cannot have x rays because there is a risk that there fetus will get mutations
  Ex. x rays, ultraviolet rays

Question 10

Info

Answer 10

• Mutations can have harm, little effect or even benefit a person
• Mutation in a single cell can cause cancer