Mendelian Genetics

Green peas are dominant (G) to yellow peas (g). What is the genotype for a heterozygous dominant offspring?

• Gg
• gg
• GG

In Mendel's pea plants, the homozygous recessive phenotype was white flowers.  If Mendel crossed two homozygous recessive pea plants, what color flowers would be seen in the offspring?

• white and purple
• white 
• purple
• lavendar

Tags

NGSS.HS-LS3-1

D = dimples        d = no dimples 
What is the genotype for a homozygous recessive offspring?

• DD
• Dd
• dd

Tags

NGSS.HS-LS3-1

Round (R) seeds are dominant to wrinkled (r) seeds.
What is the genotype for a homozygous dominant offspring?

• RR
• Rr
• rr

Tags

NGSS.HS-LS3-1

What do you call the physical expression of a gene?

• genotype
• dominant
• phenotype
• allele

Tags

NGSS.HS-LS1-1

NGSS.HS-LS4-3

Long hair is a dominant trait. Choose the BEST statement.

• This guinea pig received two dominant traits. (HH)

• This guinea pig cannot have a recessive allele. (h)

• This guinea pig could be homozygous dominant (HH) or heterozygous (Hh)

• This guinea pig is homozygous recessive (hh)

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Rabbit color is controlled by incomplete dominant alleles, with black and white being the two homozygous traits. What are the chances of a black rabbit and white rabbit producing a gray rabbit?

• 0%

• 100%

• 25%

• 50%

Tags

NGSS.HS-LS3-1

Rabbit color is controlled by incomplete dominant alleles, with black and white being the two homozygous traits. What are the chances of a black rabbit and gray rabbit producing a gray rabbit?

• 0%

• 100%

• 25%

• 50%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

If a person has type O blood, which blood type is an impossibility for their offspring?

• A

• B

• O

• AB

• All are possible

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

If a person has type B blood, which blood type is an impossibility for their offspring?

• A

• B

• O

• AB

• All are possible

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2