Mendelian and Non-Mendelian Genetics

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

• Gg

• gg

• GG

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is the percentage of homozygous recessive offspring?

• 0%

• 25%

• 50%

• 75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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

Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?

• 0 %

• 25%

• 50%

• 75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

In some carnations, flower color exhibits codominance. Identify the correct genotypes for red, white, and speckled carnations.

• Red = RR, white = rr, speckled = SS

• Red = RR, white = WW, speckled = SS

• Red = RR, white = RW, Speckled = WW

• Red = RR, white = WW, speckled = RW

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A red flowered plant (RR) breeds with a White flowered plant (WW). The gene for petal color in these plants expresses incomplete dominance.  What percentage of the offspring will have pink (RW) flowers?

• 0%

• 25%

• 50%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The different forms of a gene are called

• traits

• pollinators

• alleles

• hybrids

Genotype: TT

• homozygous dominant

• homozygous recessive

• heterozygous dominant

Cross 2 heterozygous tall pea plants. Tall (T) is dominant to short (t). What fraction of the offspring do you predict will be tall?

• 1/4

• 2/4

• 3/4

• 4/4

Tags

NGSS.MS-LS3-2