Genetics

Which of the following genotypes is homozygous dominant?

• A

• Aa

• AA

• aa

Which of the following genotypes is heterozygous?

• Bb

• BB

• bb

• B

In a flowering plant species, red flower color (R) is dominant over white flower color (r). What is the genotype of any red-flowering plant resulting from this species?

• rr

• R

• RR

• RR or Rr

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

One form of a gene is called_______________

• a DNA

• a Phenotype

• a trait

• an allele

In this punnett square, which is the dominant trait?
The B stands for bud.

• purple flower bud

• white flower bud

• dominant

• recessive

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

this image is an example of

• codominance

• dominance

• incomplete dominance

G = green, g = yellow
The genotype for a yellow plant is...

• GG

• Gg

• gg

• all of the choices result in yellow

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Aa, DD, bB, yy are all examples of

• genotypes

• phenotypes

Tags

NGSS.HS-LS3-2

What you see, or the physical appearance.

• Genotype

• Phenotype

• Homozygous

• Heterozygous

Tags

NGSS.HS-LS3-1

How many alleles (letters) do each person carry for a trait?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-LS3-1