Heredity

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-LS3-2

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

The study of heredity and the variation of inherited characteristics 

• gene

• genetics 

• meiosis 

• hybrid 

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

this image is an example of

• codominance

• dominance

• incomplete dominance

Who studied different characteristics of pea plants by cross-pollinating plants?

• Gregor Mendel

• Albert Punnett

• Sir Isaac Newton

• David Kuster

In plants, tall (T) is dominant to short (t). Perform the following cross: Tt x Tt. What is the probability of producing a short plant?

• 0%

• 25%

• 50%

• 75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

How many Chromosomes do we inherit from our parents?

• 23 from dad and 23 from mom, or 46 total

• 13 from dad and 13 from mom, or 26 total

• 13 from dad and 33 from mom, or 46 total

Tags

NGSS.HS-LS3-1

Heterozygous is when...

• the alleles are the same

• the alleles are different

• the alleles are absent

• the alleles are present

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

Which of the following alleles is homozygous (purebred) recessive?

• Tt

• tt

• TT

• t