Genetic Traits

One allele (type of gene) that is ALWAYS present and causes the other traits to disappear is a ________________________

• recessive trait

• aggressive trait

• absent trait

• dominant trait

Brown eyes are dominant over blue eyes. What is the probability that the children will have brown eyes in this cross?

• 25%

• 50%

• 75%

• 100%

An inherited trait is one that is

• happens during your lifetime, like breaking an arm

• passed down from your parents in their DNA, like eye colour

• you can learn, like riding a bike

• passed down from your parents in their DNA, like a broken arm

Tags

NGSS.MS-LS3-2

Which is NOT an example of a phenotype?

• black fur

• blue eyes

• brown hair

• bb

Which of the following best describes why siblings (except identical twins) do not look exactly alike?

• They inherit different genes from their parents

• They choose different lifestyles

• They eat different foods

• They live in different environments

Tags

NGSS.MS-LS3-2

Having blue eyes like mom

• learned behavior

• inherited trait 

What is the definition for Phenotype

• The genetic makeup, or genetic code, of an organism.

• The observable characteristics of an organism because of its genetic makeup.

• A distinguising quality or characteristic.

• The passing of characteristics through generations

Tags

NGSS.MS-LS1-4

NGSS.MS-LS4-4

Hitchhiker Thumb

• Physical Inherited

• Physical Acquired

• Behavioral Inherited

• Behavioral Acquired

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Inherited traits can include cleft chin, freckles and color blindness.

• True

• False

Tags

NGSS.MS-LS4-4

Observable characteristics of a trait. The way an organism looks

• Phenotype

• Genotype

• Chromosome

• Pedigree