Extending Mendelian Genetics

How much does each box in the punnet square account for?

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS4-3

Big (B) is dominant over small (b). What percent of the offspring will be small?

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

In guinea pigs, curly tails (C) are dominant over straight (c). Cross a hybrid curly tailed pig with a straight pig. What percent of the offspring will have strait tails?

• 0%

• 25%

• 50%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

What percent of the offspring are hybrids?

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Dominant alleles are represented by a(n)

• phenotype

• lower case letter

• upper case letter

• punnett square 

genotype where only dominant alleles were passed on from both parents for one trait

BB AA TT LL

• Homozygous Recessive

• Homozygous Dominant

• Dihybrid

• Heredity

Tags

NGSS.HS-LS3-1

genotype where one dominant and one recessive allele was passed on from both parents for one trait.

Bb Aa Tt Ll

• Allele

• Homozygous Dominant

• Homozygous Recessive

• Heterozygous

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A genotype where only recessive alleles

were passed on from both parents for one trait

bb aa tt ll

• Heredity

• Homozygous Dominant

• Homozygous Recessive

• Phenotype

Tags

NGSS.HS-LS3-1

What is the percentage of homozygous recessive offspring?

• 0%

• 25%

• 50%

• 75%

A breed of chicken shows codominance for feather color. One allele codes for black feathers, another codes for white feathers. The feathers of heterozygous chickens of this breed will be:

• all black

• all white

• all gray

• speckled black and white

Tags

NGSS.HS-LS3-1