Genotype Phenotype Heterozygous Punnett

Dominant alleles are represented by a:

• Male gene
• lowercase letter
• recessive trait
• capital letter

Aa, DD, bB, yy are all examples of

• genotypes
• phenotypes

In a heterozygous genotype, the ___________ allele takes over in the phenotype.

• recessive
• dominant
• lower case letter
• both 

What you see, or the physical appearance.

• Genotype
• Phenotype
• Homozygous
• Heterozygous

Tags

NGSS.HS-LS3-1

T - tall and t = short

In the punnett square below, what belongs in the missing square

• tt

• Tt

• Bb

• TT

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

B = brown eyes

b = blue eyes

One brother has genotype BB and the other brother has genotype Bb.

Which statement is true about these two brothers?

• They have same phenotype and genotype

• They have different phenotypes and genotypes

• They have same phenotype, but different genotypes

• They have different phenotypes, but the same genotype

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following genotypes is heterozygous?

• Bb
• BB
• bb
• B

Which of the following genotypes is homozygous dominant?

• Yy

• yY

• yy

• YY

In a flowering plant species, red flower color (R) is dominant over white flower color (r). What is the genotype of any white-flowering plant resulting from this species?

• rr

• rR

• RR

• Rr

Tags

NGSS.HS-LS3-2

What is the genotypic ratio of the offspring?

• 3:1

• 1:3

• 1:2:1

• 2:2

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3