Meiosis and Mendelian Genetics

Cross Two Homozygous plants
(RRYY x rryy)
R = round seeds, r  = wrinkled seeds Y = yellow seeds, y = green seeds
What percent will have Round and Yellow seeds? 

• 0%

• 25%

• 50%

• 100%

Tags

NGSS.MS-LS3-2

In a dihybrid cross

• one trait is crossed.

• two traits are crossed.

• four boxes are needed for the punnett square.

• mom's alleles are dominant.

What percentage of the offspring will be purebred dominant?

• 0%

• 25%

• 50%

• 75%

Tags

NGSS.HS-LS3-1

What percentage of the offspring will be heterozygous dominant?

• 100%

• 75%

• 50%

• 25%

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-3

What do we call the table used to calculate the probability of an offspring's genotype?

• Punnett square

• Venn diagram

• Golden ratio

• Fibonacci sequence

Tags

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-LS3-1

Which of the following is a heterozygous dominant genotype?

• GG

• gg

• GGG

• 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

Dominant alleles are represented by a(n)

• phenotype

• lower case letter

• upper case letter

• punnett square 

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

• DD

• Dd

• dd

Tags

NGSS.HS-LS3-1