Mendelian Genetics and Punnett Squares

What percentage of the offspring will be heterozygous dominant?

• 100%

• 75%

• 50%

• 25%

Tags

NGSS.HS-LS3-1

What did Mendel call the two kinds of traits exhibited by the pea plants (one coming from the father, one from the mother)?

• Genesis

• Elective traits

• Alleles

• Quadrants

If a pea plant were homozygous recessive for height, how would its alleles be represented?

• TT

• Tt

• tt

• tT

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

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

• Gg

• gg

• GG

• none of these

Tags

NGSS.HS-LS3-2

Which of the following is a heterozygous dominant genotype?

• GG

• gg

• GGG

• Gg

Dominant alleles are represented by a(n)

• phenotype

• lower case letter

• upper case letter

• punnett square 

What type of traits "show up" in a population more often?

• dominant

• recessive

• punnett squares

• alleles

Tags

NGSS.HS-LS4-3

NGSS.HS-LS4-4

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