Genetics- Dihybrid Punnett Squares

E = brown eyes

e = blue eyes

What is true about these two brothers?

One has genotype Ee the other ee.

• they have same phenotype and genotype

• they have different genotypes and phenotypes

• they have same phenotype but different genotypes

• they have same genotype but different phenotypes

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

In watermelons, green rinds (G) are dominant to striped rinds (g).  What is the genotype of a heterozygous green watermelon?

• GG
• Gg
• gg
• green

Tags

NGSS.HS-LS3-1

This is an example of a ______________.

• phenotype
• genotype
• xenotype
• base pairs

Tags

NGSS.HS-LS3-1

NGSS.HS-LS1-1

The genotypic percentage resulting from this this cross would be _____________________.

• 25% blue eye 75 % brown eye 
• BB = 25% Bb = 50% bb = 25%
• BB= 50 % bb = 50%
• All brown eye

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

NGSS.HS-LS3-2

What are the possible genotypes for this cross?

• TT = 25% Tt= 50% tt=25%
• all tall
• TT= 75% tt = 25%
• Tt = 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

A ________________________ is a tool used to predict the possible genotype from certain parents

• Mendel Grid
• Genetic Tic Tac Toe
• Punnett Square
• Pedigree Plot

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

What term describes what you see, or the physical appearance.

• Genotype
• Phenotype
• Homozygous
• Heterozygous

Tags

NGSS.HS-LS3-1

In a heterozygous genotype, the ___________ allele will be expressed in the phenotype.

• recessive

• dominant

• lower case letter

• both

What is another way of saying "hybrid"?

• heterozygous
• homozygous dominant
• homozygous recessive
• none of these choices

Two heterozygous parents produce offspring. What is the probability of the HETEROZYGOUS GENOTYPE appearing in the offspring generation?

• 75%
• 25%
• 50%
• 100%

Tags

NGSS.HS-LS3-3