Genetics Unit

Dark hair is a dominant trait. If you are heterozygous for the trait, it means...

• You have 2 dominant genes for dark hair and therefore you have dark hair

• You have only recessive genes and have light hair

• You have 2 dominant genes for dark hair but do not have dark hair

• You have dark hair but also carry the recessive gene for light hair

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

An alien family moves in next door. Their youngest boy has blonde hair inside, but when he is in the sunlight, it turns bright blue. This could mean...

• The environment must affect the expression of this trait

• This cannot be explained. They're ALIENS!

• The blue hair gene is from his mom and the blonde hair gene is from his dad

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A blonde man and a brunette woman fall in love, get married and have 3 kids. One of their children has blonde hair. What must be the genotype of the mother for one offspring to be blonde?

• HH

• HB

• Hh

• hh

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which is an example of codominance?

• Type A Blood

• Type B Blood

• Type O Blood

• Type AB Blood

Which is NOT a genotype for Type A Blood?

• AO

• AA

• AB

Which Blood Type is recessive

• Type A

• Type B

• Type AB

• Type O

A pink bunny and a green bunny reproduce and have green bunnies with pink polka dots. This is known as...

• Incomplete Dominance

• Codominance

• Dominance

• Easter Bunny Syndrome

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

In animals, shaggy fur is dominant to short fur. The Punnett Square shows the genotypes of the offspring of a shaggy fur animal and a short fur animal. What were the genotypes of the parents?

• FF and FF

• Ff and ff

• ff and ff

• Ff and Ff

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

In animals, shaggy fur is dominant to short fur. According to the genotypes shown, what percent of offspring will have short fur?

• 0

• 25

• 100

• 50

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Heterozygous is when...

• the alleles are the same.

• the alleles are different.

• the alleles are absent.

• the alleles are present

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-3

NGSS.HS-LS4-4